Home / 8,059,426.40-12,089,139.60-7,443,567.20

Finding the Fourth Proportional to 8,059,426.40, 12,089,139.60 and 7,443,567.20

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Solution

The fourth proportional to 8,059,426.40, 12,089,139.60 and 7,443,567.20 is: 11,165,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,426.40 : 12,089,139.60 = 7,443,567.20 : x
  2. Step 2: Convert to fraction form
    8,059,426.40/12,089,139.60 = 7,443,567.20/x
  3. Step 3: Cross multiply
    8,059,426.40x = 12,089,139.60 × 7,443,567.20
  4. Step 4: Simplify right side
    8,059,426.40x = 89,986,323,002,781.12
  5. Step 5: Solve for x
    x = 89,986,323,002,781.12/8,059,426.40
  6. Step 6: Final answer
    x = 11,165,350.80

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Similar ratio
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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.