Home / 10,389,023.20-15,583,534.80-8,499,455.20

Finding the Fourth Proportional to 10,389,023.20, 15,583,534.80 and 8,499,455.20

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Solution

The fourth proportional to 10,389,023.20, 15,583,534.80 and 8,499,455.20 is: 12,749,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,023.20 : 15,583,534.80 = 8,499,455.20 : x
  2. Step 2: Convert to fraction form
    10,389,023.20/15,583,534.80 = 8,499,455.20/x
  3. Step 3: Cross multiply
    10,389,023.20x = 15,583,534.80 × 8,499,455.20
  4. Step 4: Simplify right side
    10,389,023.20x = 132,451,555,890,240.95
  5. Step 5: Solve for x
    x = 132,451,555,890,240.95/10,389,023.20
  6. Step 6: Final answer
    x = 12,749,182.80

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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.