Home / 8,656,374.80-12,984,562.20-8,287,792.40

Finding the Fourth Proportional to 8,656,374.80, 12,984,562.20 and 8,287,792.40

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Solution

The fourth proportional to 8,656,374.80, 12,984,562.20 and 8,287,792.40 is: 12,431,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,374.80 : 12,984,562.20 = 8,287,792.40 : x
  2. Step 2: Convert to fraction form
    8,656,374.80/12,984,562.20 = 8,287,792.40/x
  3. Step 3: Cross multiply
    8,656,374.80x = 12,984,562.20 × 8,287,792.40
  4. Step 4: Simplify right side
    8,656,374.80x = 107,613,355,918,487.28
  5. Step 5: Solve for x
    x = 107,613,355,918,487.28/8,656,374.80
  6. Step 6: Final answer
    x = 12,431,688.60

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1.5x scale

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.