Home / 10,500,680.20-15,751,020.30-8,989,025.80

Finding the Fourth Proportional to 10,500,680.20, 15,751,020.30 and 8,989,025.80

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Solution

The fourth proportional to 10,500,680.20, 15,751,020.30 and 8,989,025.80 is: 13,483,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,680.20 : 15,751,020.30 = 8,989,025.80 : x
  2. Step 2: Convert to fraction form
    10,500,680.20/15,751,020.30 = 8,989,025.80/x
  3. Step 3: Cross multiply
    10,500,680.20x = 15,751,020.30 × 8,989,025.80
  4. Step 4: Simplify right side
    10,500,680.20x = 141,586,327,853,023.75
  5. Step 5: Solve for x
    x = 141,586,327,853,023.75/10,500,680.20
  6. Step 6: Final answer
    x = 13,483,538.70

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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.