Home / 38,696,211.38-53,399,170.61-21,055,186.50

Finding the Fourth Proportional to 38,696,211.38, 53,399,170.61 and 21,055,186.50

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Solution

The fourth proportional to 38,696,211.38, 53,399,170.61 and 21,055,186.50 is: 29,055,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696,211.38 : 53,399,170.61 = 21,055,186.50 : x
  2. Step 2: Convert to fraction form
    38,696,211.38/53,399,170.61 = 21,055,186.50/x
  3. Step 3: Cross multiply
    38,696,211.38x = 53,399,170.61 × 21,055,186.50
  4. Step 4: Simplify right side
    38,696,211.38x = 1,124,329,496,033,592.75
  5. Step 5: Solve for x
    x = 1,124,329,496,033,592.75/38,696,211.38
  6. Step 6: Final answer
    x = 29,055,286.19

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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.