Home / 40,721,404.12-56,194,356.29-23,081,932.80

Finding the Fourth Proportional to 40,721,404.12, 56,194,356.29 and 23,081,932.80

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Solution

The fourth proportional to 40,721,404.12, 56,194,356.29 and 23,081,932.80 is: 31,852,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721,404.12 : 56,194,356.29 = 23,081,932.80 : x
  2. Step 2: Convert to fraction form
    40,721,404.12/56,194,356.29 = 23,081,932.80/x
  3. Step 3: Cross multiply
    40,721,404.12x = 56,194,356.29 × 23,081,932.80
  4. Step 4: Simplify right side
    40,721,404.12x = 1,297,074,355,509,627.50
  5. Step 5: Solve for x
    x = 1,297,074,355,509,627.50/40,721,404.12
  6. Step 6: Final answer
    x = 31,852,397.62

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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.