Home / 12,345,045.24-18,546,028.01-11,834,870.52

Finding the Fourth Proportional to 12,345,045.24, 18,546,028.01 and 11,834,870.52

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Solution

The fourth proportional to 12,345,045.24, 18,546,028.01 and 11,834,870.52 is: 17,779,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,045.24 : 18,546,028.01 = 11,834,870.52 : x
  2. Step 2: Convert to fraction form
    12,345,045.24/18,546,028.01 = 11,834,870.52/x
  3. Step 3: Cross multiply
    12,345,045.24x = 18,546,028.01 × 11,834,870.52
  4. Step 4: Simplify right side
    12,345,045.24x = 219,489,840,158,643.28
  5. Step 5: Solve for x
    x = 219,489,840,158,643.28/12,345,045.24
  6. Step 6: Final answer
    x = 17,779,589.78

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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.