Home / 8,498,347.20-12,754,778.40-3,453,278.40

Finding the Fourth Proportional to 8,498,347.20, 12,754,778.40 and 3,453,278.40

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Solution

The fourth proportional to 8,498,347.20, 12,754,778.40 and 3,453,278.40 is: 5,182,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498,347.20 : 12,754,778.40 = 3,453,278.40 : x
  2. Step 2: Convert to fraction form
    8,498,347.20/12,754,778.40 = 3,453,278.40/x
  3. Step 3: Cross multiply
    8,498,347.20x = 12,754,778.40 × 3,453,278.40
  4. Step 4: Simplify right side
    8,498,347.20x = 44,045,800,745,506.56
  5. Step 5: Solve for x
    x = 44,045,800,745,506.56/8,498,347.20
  6. Step 6: Final answer
    x = 5,182,866.70

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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.