Home / 8,254,385.20-12,371,080.20-7,351,591.60

Finding the Fourth Proportional to 8,254,385.20, 12,371,080.20 and 7,351,591.60

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Solution

The fourth proportional to 8,254,385.20, 12,371,080.20 and 7,351,591.60 is: 11,018,037.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254,385.20 : 12,371,080.20 = 7,351,591.60 : x
  2. Step 2: Convert to fraction form
    8,254,385.20/12,371,080.20 = 7,351,591.60/x
  3. Step 3: Cross multiply
    8,254,385.20x = 12,371,080.20 × 7,351,591.60
  4. Step 4: Simplify right side
    8,254,385.20x = 90,947,129,281,246.31
  5. Step 5: Solve for x
    x = 90,947,129,281,246.31/8,254,385.20
  6. Step 6: Final answer
    x = 11,018,037.94

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1.5x scale

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.