Home / 8,642,785.60-12,951,349.12-3,518,947.04

Finding the Fourth Proportional to 8,642,785.60, 12,951,349.12 and 3,518,947.04

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Solution

The fourth proportional to 8,642,785.60, 12,951,349.12 and 3,518,947.04 is: 5,273,197.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,785.60 : 12,951,349.12 = 3,518,947.04 : x
  2. Step 2: Convert to fraction form
    8,642,785.60/12,951,349.12 = 3,518,947.04/x
  3. Step 3: Cross multiply
    8,642,785.60x = 12,951,349.12 × 3,518,947.04
  4. Step 4: Simplify right side
    8,642,785.60x = 45,575,111,649,830.60
  5. Step 5: Solve for x
    x = 45,575,111,649,830.60/8,642,785.60
  6. Step 6: Final answer
    x = 5,273,197.06

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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.