Home / 14,580,438.75-20,121,616.35-8,385,489.66

Finding the Fourth Proportional to 14,580,438.75, 20,121,616.35 and 8,385,489.66

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Solution

The fourth proportional to 14,580,438.75, 20,121,616.35 and 8,385,489.66 is: 11,572,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,438.75 : 20,121,616.35 = 8,385,489.66 : x
  2. Step 2: Convert to fraction form
    14,580,438.75/20,121,616.35 = 8,385,489.66/x
  3. Step 3: Cross multiply
    14,580,438.75x = 20,121,616.35 × 8,385,489.66
  4. Step 4: Simplify right side
    14,580,438.75x = 168,729,605,845,411.97
  5. Step 5: Solve for x
    x = 168,729,605,845,411.97/14,580,438.75
  6. Step 6: Final answer
    x = 11,572,327.06

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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.