Home / 8,861,812.40-13,292,718.60-3,182,610.80

Finding the Fourth Proportional to 8,861,812.40, 13,292,718.60 and 3,182,610.80

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Solution

The fourth proportional to 8,861,812.40, 13,292,718.60 and 3,182,610.80 is: 4,773,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861,812.40 : 13,292,718.60 = 3,182,610.80 : x
  2. Step 2: Convert to fraction form
    8,861,812.40/13,292,718.60 = 3,182,610.80/x
  3. Step 3: Cross multiply
    8,861,812.40x = 13,292,718.60 × 3,182,610.80
  4. Step 4: Simplify right side
    8,861,812.40x = 42,305,549,777,720.88
  5. Step 5: Solve for x
    x = 42,305,549,777,720.88/8,861,812.40
  6. Step 6: Final answer
    x = 4,773,916.20

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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.