Home / 8,319,840.10-12,498,422.55-8,002,579.30

Finding the Fourth Proportional to 8,319,840.10, 12,498,422.55 and 8,002,579.30

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Solution

The fourth proportional to 8,319,840.10, 12,498,422.55 and 8,002,579.30 is: 12,021,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,840.10 : 12,498,422.55 = 8,002,579.30 : x
  2. Step 2: Convert to fraction form
    8,319,840.10/12,498,422.55 = 8,002,579.30/x
  3. Step 3: Cross multiply
    8,319,840.10x = 12,498,422.55 × 8,002,579.30
  4. Step 4: Simplify right side
    8,319,840.10x = 100,019,617,581,283.22
  5. Step 5: Solve for x
    x = 100,019,617,581,283.22/8,319,840.10
  6. Step 6: Final answer
    x = 12,021,819.70

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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.