Home / 15,287,793.60-22,931,690.40-8,555,332.80

Finding the Fourth Proportional to 15,287,793.60, 22,931,690.40 and 8,555,332.80

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Solution

The fourth proportional to 15,287,793.60, 22,931,690.40 and 8,555,332.80 is: 12,832,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,793.60 : 22,931,690.40 = 8,555,332.80 : x
  2. Step 2: Convert to fraction form
    15,287,793.60/22,931,690.40 = 8,555,332.80/x
  3. Step 3: Cross multiply
    15,287,793.60x = 22,931,690.40 × 8,555,332.80
  4. Step 4: Simplify right side
    15,287,793.60x = 196,188,243,038,565.12
  5. Step 5: Solve for x
    x = 196,188,243,038,565.12/15,287,793.60
  6. Step 6: Final answer
    x = 12,832,999.20

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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.