Home / 8,700,319.20-13,037,648.40-6,309,199.20

Finding the Fourth Proportional to 8,700,319.20, 13,037,648.40 and 6,309,199.20

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Solution

The fourth proportional to 8,700,319.20, 13,037,648.40 and 6,309,199.20 is: 9,454,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700,319.20 : 13,037,648.40 = 6,309,199.20 : x
  2. Step 2: Convert to fraction form
    8,700,319.20/13,037,648.40 = 6,309,199.20/x
  3. Step 3: Cross multiply
    8,700,319.20x = 13,037,648.40 × 6,309,199.20
  4. Step 4: Simplify right side
    8,700,319.20x = 82,257,120,855,161.28
  5. Step 5: Solve for x
    x = 82,257,120,855,161.28/8,700,319.20
  6. Step 6: Final answer
    x = 9,454,494.60

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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.