Home / 12,656,167.17-18,985,372.04-3,558,343.87

Finding the Fourth Proportional to 12,656,167.17, 18,985,372.04 and 3,558,343.87

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Solution

The fourth proportional to 12,656,167.17, 18,985,372.04 and 3,558,343.87 is: 5,337,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656,167.17 : 18,985,372.04 = 3,558,343.87 : x
  2. Step 2: Convert to fraction form
    12,656,167.17/18,985,372.04 = 3,558,343.87/x
  3. Step 3: Cross multiply
    12,656,167.17x = 18,985,372.04 × 3,558,343.87
  4. Step 4: Simplify right side
    12,656,167.17x = 67,556,482,250,830.97
  5. Step 5: Solve for x
    x = 67,556,482,250,830.97/12,656,167.17
  6. Step 6: Final answer
    x = 5,337,831.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.