Home / 29,165,945.76-40,192,171.92-21,001,767.84

Finding the Fourth Proportional to 29,165,945.76, 40,192,171.92 and 21,001,767.84

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Solution

The fourth proportional to 29,165,945.76, 40,192,171.92 and 21,001,767.84 is: 28,941,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,165,945.76 : 40,192,171.92 = 21,001,767.84 : x
  2. Step 2: Convert to fraction form
    29,165,945.76/40,192,171.92 = 21,001,767.84/x
  3. Step 3: Cross multiply
    29,165,945.76x = 40,192,171.92 × 21,001,767.84
  4. Step 4: Simplify right side
    29,165,945.76x = 844,106,663,649,207.12
  5. Step 5: Solve for x
    x = 844,106,663,649,207.12/29,165,945.76
  6. Step 6: Final answer
    x = 28,941,515.24

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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.