Home / 21,555,257.67-29,741,815.08-12,386,128.95

Finding the Fourth Proportional to 21,555,257.67, 29,741,815.08 and 12,386,128.95

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Solution

The fourth proportional to 21,555,257.67, 29,741,815.08 and 12,386,128.95 is: 17,090,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,257.67 : 29,741,815.08 = 12,386,128.95 : x
  2. Step 2: Convert to fraction form
    21,555,257.67/29,741,815.08 = 12,386,128.95/x
  3. Step 3: Cross multiply
    21,555,257.67x = 29,741,815.08 × 12,386,128.95
  4. Step 4: Simplify right side
    21,555,257.67x = 368,385,956,787,934.50
  5. Step 5: Solve for x
    x = 368,385,956,787,934.50/21,555,257.67
  6. Step 6: Final answer
    x = 17,090,306.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.