Home / 8,085,149.10-12,127,723.65-7,287,987.60

Finding the Fourth Proportional to 8,085,149.10, 12,127,723.65 and 7,287,987.60

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Solution

The fourth proportional to 8,085,149.10, 12,127,723.65 and 7,287,987.60 is: 10,931,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,149.10 : 12,127,723.65 = 7,287,987.60 : x
  2. Step 2: Convert to fraction form
    8,085,149.10/12,127,723.65 = 7,287,987.60/x
  3. Step 3: Cross multiply
    8,085,149.10x = 12,127,723.65 × 7,287,987.60
  4. Step 4: Simplify right side
    8,085,149.10x = 88,386,699,577,426.73
  5. Step 5: Solve for x
    x = 88,386,699,577,426.73/8,085,149.10
  6. Step 6: Final answer
    x = 10,931,981.40

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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.