Home / 36,992,038.12-55,500,380.12-12,402,397.78

Finding the Fourth Proportional to 36,992,038.12, 55,500,380.12 and 12,402,397.78

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Solution

The fourth proportional to 36,992,038.12, 55,500,380.12 and 12,402,397.78 is: 18,607,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,992,038.12 : 55,500,380.12 = 12,402,397.78 : x
  2. Step 2: Convert to fraction form
    36,992,038.12/55,500,380.12 = 12,402,397.78/x
  3. Step 3: Cross multiply
    36,992,038.12x = 55,500,380.12 × 12,402,397.78
  4. Step 4: Simplify right side
    36,992,038.12x = 688,337,791,127,432.12
  5. Step 5: Solve for x
    x = 688,337,791,127,432.12/36,992,038.12
  6. Step 6: Final answer
    x = 18,607,728.21

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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.