Home / 8,516,563.20-12,774,844.80-5,157,331.20

Finding the Fourth Proportional to 8,516,563.20, 12,774,844.80 and 5,157,331.20

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Solution

The fourth proportional to 8,516,563.20, 12,774,844.80 and 5,157,331.20 is: 7,735,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,563.20 : 12,774,844.80 = 5,157,331.20 : x
  2. Step 2: Convert to fraction form
    8,516,563.20/12,774,844.80 = 5,157,331.20/x
  3. Step 3: Cross multiply
    8,516,563.20x = 12,774,844.80 × 5,157,331.20
  4. Step 4: Simplify right side
    8,516,563.20x = 65,884,105,662,197.77
  5. Step 5: Solve for x
    x = 65,884,105,662,197.77/8,516,563.20
  6. Step 6: Final answer
    x = 7,735,996.80

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Similar ratio
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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.