Home / 10,649,446.20-15,974,169.30-8,759,878.20

Finding the Fourth Proportional to 10,649,446.20, 15,974,169.30 and 8,759,878.20

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Solution

The fourth proportional to 10,649,446.20, 15,974,169.30 and 8,759,878.20 is: 13,139,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,446.20 : 15,974,169.30 = 8,759,878.20 : x
  2. Step 2: Convert to fraction form
    10,649,446.20/15,974,169.30 = 8,759,878.20/x
  3. Step 3: Cross multiply
    10,649,446.20x = 15,974,169.30 × 8,759,878.20
  4. Step 4: Simplify right side
    10,649,446.20x = 139,931,777,414,179.25
  5. Step 5: Solve for x
    x = 139,931,777,414,179.25/10,649,446.20
  6. Step 6: Final answer
    x = 13,139,817.30

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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.