Home / 21,153,116.98-31,732,500.04-8,370,632.33

Finding the Fourth Proportional to 21,153,116.98, 31,732,500.04 and 8,370,632.33

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Solution

The fourth proportional to 21,153,116.98, 31,732,500.04 and 8,370,632.33 is: 12,557,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153,116.98 : 31,732,500.04 = 8,370,632.33 : x
  2. Step 2: Convert to fraction form
    21,153,116.98/31,732,500.04 = 8,370,632.33/x
  3. Step 3: Cross multiply
    21,153,116.98x = 31,732,500.04 × 8,370,632.33
  4. Step 4: Simplify right side
    21,153,116.98x = 265,621,090,608,814.38
  5. Step 5: Solve for x
    x = 265,621,090,608,814.38/21,153,116.98
  6. Step 6: Final answer
    x = 12,557,066.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.