Home / 15,601,928.52-21,531,295.92-8,632,492.71

Finding the Fourth Proportional to 15,601,928.52, 21,531,295.92 and 8,632,492.71

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Solution

The fourth proportional to 15,601,928.52, 21,531,295.92 and 8,632,492.71 is: 11,913,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601,928.52 : 21,531,295.92 = 8,632,492.71 : x
  2. Step 2: Convert to fraction form
    15,601,928.52/21,531,295.92 = 8,632,492.71/x
  3. Step 3: Cross multiply
    15,601,928.52x = 21,531,295.92 × 8,632,492.71
  4. Step 4: Simplify right side
    15,601,928.52x = 185,868,755,066,252.78
  5. Step 5: Solve for x
    x = 185,868,755,066,252.78/15,601,928.52
  6. Step 6: Final answer
    x = 11,913,191.04

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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.