Home / 18,211,458.30-27,317,187.45-9,141,531.90

Finding the Fourth Proportional to 18,211,458.30, 27,317,187.45 and 9,141,531.90

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Solution

The fourth proportional to 18,211,458.30, 27,317,187.45 and 9,141,531.90 is: 13,712,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211,458.30 : 27,317,187.45 = 9,141,531.90 : x
  2. Step 2: Convert to fraction form
    18,211,458.30/27,317,187.45 = 9,141,531.90/x
  3. Step 3: Cross multiply
    18,211,458.30x = 27,317,187.45 × 9,141,531.90
  4. Step 4: Simplify right side
    18,211,458.30x = 249,720,940,492,454.66
  5. Step 5: Solve for x
    x = 249,720,940,492,454.66/18,211,458.30
  6. Step 6: Final answer
    x = 13,712,297.85

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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.