Home / 8,304,400.60-12,456,600.90-7,800,515.80

Finding the Fourth Proportional to 8,304,400.60, 12,456,600.90 and 7,800,515.80

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Solution

The fourth proportional to 8,304,400.60, 12,456,600.90 and 7,800,515.80 is: 11,700,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,400.60 : 12,456,600.90 = 7,800,515.80 : x
  2. Step 2: Convert to fraction form
    8,304,400.60/12,456,600.90 = 7,800,515.80/x
  3. Step 3: Cross multiply
    8,304,400.60x = 12,456,600.90 × 7,800,515.80
  4. Step 4: Simplify right side
    8,304,400.60x = 97,167,912,134,744.22
  5. Step 5: Solve for x
    x = 97,167,912,134,744.22/8,304,400.60
  6. Step 6: Final answer
    x = 11,700,773.70

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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.