Home / 14,717,642.59-20,309,988.32-8,102,177.28

Finding the Fourth Proportional to 14,717,642.59, 20,309,988.32 and 8,102,177.28

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Solution

The fourth proportional to 14,717,642.59, 20,309,988.32 and 8,102,177.28 is: 11,180,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717,642.59 : 20,309,988.32 = 8,102,177.28 : x
  2. Step 2: Convert to fraction form
    14,717,642.59/20,309,988.32 = 8,102,177.28/x
  3. Step 3: Cross multiply
    14,717,642.59x = 20,309,988.32 × 8,102,177.28
  4. Step 4: Simplify right side
    14,717,642.59x = 164,555,125,936,024.97
  5. Step 5: Solve for x
    x = 164,555,125,936,024.97/14,717,642.59
  6. Step 6: Final answer
    x = 11,180,807.31

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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.