Home / 14,580,432.82-20,121,608.17-8,385,483.73

Finding the Fourth Proportional to 14,580,432.82, 20,121,608.17 and 8,385,483.73

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Solution

The fourth proportional to 14,580,432.82, 20,121,608.17 and 8,385,483.73 is: 11,572,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,432.82 : 20,121,608.17 = 8,385,483.73 : x
  2. Step 2: Convert to fraction form
    14,580,432.82/20,121,608.17 = 8,385,483.73/x
  3. Step 3: Cross multiply
    14,580,432.82x = 20,121,608.17 × 8,385,483.73
  4. Step 4: Simplify right side
    14,580,432.82x = 168,729,417,966,603.94
  5. Step 5: Solve for x
    x = 168,729,417,966,603.94/14,580,432.82
  6. Step 6: Final answer
    x = 11,572,318.88

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1.5x scale

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.