Home / 12,393,002.10-18,589,503.15-6,653,439.30

Finding the Fourth Proportional to 12,393,002.10, 18,589,503.15 and 6,653,439.30

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Solution

The fourth proportional to 12,393,002.10, 18,589,503.15 and 6,653,439.30 is: 9,980,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,002.10 : 18,589,503.15 = 6,653,439.30 : x
  2. Step 2: Convert to fraction form
    12,393,002.10/18,589,503.15 = 6,653,439.30/x
  3. Step 3: Cross multiply
    12,393,002.10x = 18,589,503.15 × 6,653,439.30
  4. Step 4: Simplify right side
    12,393,002.10x = 123,684,130,825,683.78
  5. Step 5: Solve for x
    x = 123,684,130,825,683.78/12,393,002.10
  6. Step 6: Final answer
    x = 9,980,158.95

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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.