Home / 36,992,039.12-55,500,381.62-12,402,398.78

Finding the Fourth Proportional to 36,992,039.12, 55,500,381.62 and 12,402,398.78

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Solution

The fourth proportional to 36,992,039.12, 55,500,381.62 and 12,402,398.78 is: 18,607,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,992,039.12 : 55,500,381.62 = 12,402,398.78 : x
  2. Step 2: Convert to fraction form
    36,992,039.12/55,500,381.62 = 12,402,398.78/x
  3. Step 3: Cross multiply
    36,992,039.12x = 55,500,381.62 × 12,402,398.78
  4. Step 4: Simplify right side
    36,992,039.12x = 688,337,865,293,422.38
  5. Step 5: Solve for x
    x = 688,337,865,293,422.38/36,992,039.12
  6. Step 6: Final answer
    x = 18,607,729.71

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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.