Home / 16,270,781.28-22,453,940.16-9,395,864.16

Finding the Fourth Proportional to 16,270,781.28, 22,453,940.16 and 9,395,864.16

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Solution

The fourth proportional to 16,270,781.28, 22,453,940.16 and 9,395,864.16 is: 12,966,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,270,781.28 : 22,453,940.16 = 9,395,864.16 : x
  2. Step 2: Convert to fraction form
    16,270,781.28/22,453,940.16 = 9,395,864.16/x
  3. Step 3: Cross multiply
    16,270,781.28x = 22,453,940.16 × 9,395,864.16
  4. Step 4: Simplify right side
    16,270,781.28x = 210,974,171,600,128.66
  5. Step 5: Solve for x
    x = 210,974,171,600,128.66/16,270,781.28
  6. Step 6: Final answer
    x = 12,966,443.83

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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.