Home / 15,740,009.18-21,722,828.97-9,462,568.76

Finding the Fourth Proportional to 15,740,009.18, 21,722,828.97 and 9,462,568.76

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Solution

The fourth proportional to 15,740,009.18, 21,722,828.97 and 9,462,568.76 is: 13,059,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740,009.18 : 21,722,828.97 = 9,462,568.76 : x
  2. Step 2: Convert to fraction form
    15,740,009.18/21,722,828.97 = 9,462,568.76/x
  3. Step 3: Cross multiply
    15,740,009.18x = 21,722,828.97 × 9,462,568.76
  4. Step 4: Simplify right side
    15,740,009.18x = 205,553,762,799,892.41
  5. Step 5: Solve for x
    x = 205,553,762,799,892.41/15,740,009.18
  6. Step 6: Final answer
    x = 13,059,316.58

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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.