Home / 26,389,136.91-36,376,640.88-18,526,591.86

Finding the Fourth Proportional to 26,389,136.91, 36,376,640.88 and 18,526,591.86

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Solution

The fourth proportional to 26,389,136.91, 36,376,640.88 and 18,526,591.86 is: 25,538,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389,136.91 : 36,376,640.88 = 18,526,591.86 : x
  2. Step 2: Convert to fraction form
    26,389,136.91/36,376,640.88 = 18,526,591.86/x
  3. Step 3: Cross multiply
    26,389,136.91x = 36,376,640.88 × 18,526,591.86
  4. Step 4: Simplify right side
    26,389,136.91x = 673,935,178,719,876.12
  5. Step 5: Solve for x
    x = 673,935,178,719,876.12/26,389,136.91
  6. Step 6: Final answer
    x = 25,538,356.22

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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.