Home / 15,816,626,345.72-21,825,501,689.04-9,385,338,070.24

Finding the Fourth Proportional to 15,816,626,345.72, 21,825,501,689.04 and 9,385,338,070.24

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Solution

The fourth proportional to 15,816,626,345.72, 21,825,501,689.04 and 9,385,338,070.24 is: 12,950,910,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816,626,345.72 : 21,825,501,689.04 = 9,385,338,070.24 : x
  2. Step 2: Convert to fraction form
    15,816,626,345.72/21,825,501,689.04 = 9,385,338,070.24/x
  3. Step 3: Cross multiply
    15,816,626,345.72x = 21,825,501,689.04 × 9,385,338,070.24
  4. Step 4: Simplify right side
    15,816,626,345.72x = 204,839,711,904,151,797,760
  5. Step 5: Solve for x
    x = 204,839,711,904,151,797,760/15,816,626,345.72
  6. Step 6: Final answer
    x = 12,950,910,480.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.