Home / 18,640,211.22-25,710,240.66-12,442,132.92

Finding the Fourth Proportional to 18,640,211.22, 25,710,240.66 and 12,442,132.92

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Solution

The fourth proportional to 18,640,211.22, 25,710,240.66 and 12,442,132.92 is: 17,161,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640,211.22 : 25,710,240.66 = 12,442,132.92 : x
  2. Step 2: Convert to fraction form
    18,640,211.22/25,710,240.66 = 12,442,132.92/x
  3. Step 3: Cross multiply
    18,640,211.22x = 25,710,240.66 × 12,442,132.92
  4. Step 4: Simplify right side
    18,640,211.22x = 319,890,231,696,908.50
  5. Step 5: Solve for x
    x = 319,890,231,696,908.50/18,640,211.22
  6. Step 6: Final answer
    x = 17,161,298.65

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Why These Related Problems?

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