Home / 12,456,486.10-18,684,729.15-9,267,840.10

Finding the Fourth Proportional to 12,456,486.10, 18,684,729.15 and 9,267,840.10

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Solution

The fourth proportional to 12,456,486.10, 18,684,729.15 and 9,267,840.10 is: 13,901,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,486.10 : 18,684,729.15 = 9,267,840.10 : x
  2. Step 2: Convert to fraction form
    12,456,486.10/18,684,729.15 = 9,267,840.10/x
  3. Step 3: Cross multiply
    12,456,486.10x = 18,684,729.15 × 9,267,840.10
  4. Step 4: Simplify right side
    12,456,486.10x = 173,167,082,074,008.91
  5. Step 5: Solve for x
    x = 173,167,082,074,008.91/12,456,486.10
  6. Step 6: Final answer
    x = 13,901,760.15

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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.