Home / 8,815,729.10-13,223,593.65-8,177,999.90

Finding the Fourth Proportional to 8,815,729.10, 13,223,593.65 and 8,177,999.90

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Solution

The fourth proportional to 8,815,729.10, 13,223,593.65 and 8,177,999.90 is: 12,266,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,729.10 : 13,223,593.65 = 8,177,999.90 : x
  2. Step 2: Convert to fraction form
    8,815,729.10/13,223,593.65 = 8,177,999.90/x
  3. Step 3: Cross multiply
    8,815,729.10x = 13,223,593.65 × 8,177,999.90
  4. Step 4: Simplify right side
    8,815,729.10x = 108,142,547,547,340.64
  5. Step 5: Solve for x
    x = 108,142,547,547,340.64/8,815,729.10
  6. Step 6: Final answer
    x = 12,266,999.85

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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.