Home / 15,727,772.96-21,693,146.32-10,498,144.40

Finding the Fourth Proportional to 15,727,772.96, 21,693,146.32 and 10,498,144.40

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Solution

The fourth proportional to 15,727,772.96, 21,693,146.32 and 10,498,144.40 is: 14,479,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,772.96 : 21,693,146.32 = 10,498,144.40 : x
  2. Step 2: Convert to fraction form
    15,727,772.96/21,693,146.32 = 10,498,144.40/x
  3. Step 3: Cross multiply
    15,727,772.96x = 21,693,146.32 × 10,498,144.40
  4. Step 4: Simplify right side
    15,727,772.96x = 227,737,782,557,688.62
  5. Step 5: Solve for x
    x = 227,737,782,557,688.62/15,727,772.96
  6. Step 6: Final answer
    x = 14,479,976.48

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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.