Home / 15,517,943.04-21,415,425.14-8,642,424

Finding the Fourth Proportional to 15,517,943.04, 21,415,425.14 and 8,642,424

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Solution

The fourth proportional to 15,517,943.04, 21,415,425.14 and 8,642,424 is: 11,926,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,943.04 : 21,415,425.14 = 8,642,424 : x
  2. Step 2: Convert to fraction form
    15,517,943.04/21,415,425.14 = 8,642,424/x
  3. Step 3: Cross multiply
    15,517,943.04x = 21,415,425.14 × 8,642,424
  4. Step 4: Simplify right side
    15,517,943.04x = 185,081,184,200,139.38
  5. Step 5: Solve for x
    x = 185,081,184,200,139.38/15,517,943.04
  6. Step 6: Final answer
    x = 11,926,914.78

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Double scale
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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.