Home / 12,393,002.60-18,589,503.90-6,653,439.80

Finding the Fourth Proportional to 12,393,002.60, 18,589,503.90 and 6,653,439.80

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Solution

The fourth proportional to 12,393,002.60, 18,589,503.90 and 6,653,439.80 is: 9,980,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,002.60 : 18,589,503.90 = 6,653,439.80 : x
  2. Step 2: Convert to fraction form
    12,393,002.60/18,589,503.90 = 6,653,439.80/x
  3. Step 3: Cross multiply
    12,393,002.60x = 18,589,503.90 × 6,653,439.80
  4. Step 4: Simplify right side
    12,393,002.60x = 123,684,145,110,515.20
  5. Step 5: Solve for x
    x = 123,684,145,110,515.20/12,393,002.60
  6. Step 6: Final answer
    x = 9,980,159.70

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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.