Home / 12,038,287.38-16,510,691.33-11,543,918.28

Finding the Fourth Proportional to 12,038,287.38, 16,510,691.33 and 11,543,918.28

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Solution

The fourth proportional to 12,038,287.38, 16,510,691.33 and 11,543,918.28 is: 15,832,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038,287.38 : 16,510,691.33 = 11,543,918.28 : x
  2. Step 2: Convert to fraction form
    12,038,287.38/16,510,691.33 = 11,543,918.28/x
  3. Step 3: Cross multiply
    12,038,287.38x = 16,510,691.33 × 11,543,918.28
  4. Step 4: Simplify right side
    12,038,287.38x = 190,598,071,402,104.91
  5. Step 5: Solve for x
    x = 190,598,071,402,104.91/12,038,287.38
  6. Step 6: Final answer
    x = 15,832,656.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.