Home / 25,763,248.40-38,644,872.60-21,543,213.20

Finding the Fourth Proportional to 25,763,248.40, 38,644,872.60 and 21,543,213.20

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Solution

The fourth proportional to 25,763,248.40, 38,644,872.60 and 21,543,213.20 is: 32,314,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,763,248.40 : 38,644,872.60 = 21,543,213.20 : x
  2. Step 2: Convert to fraction form
    25,763,248.40/38,644,872.60 = 21,543,213.20/x
  3. Step 3: Cross multiply
    25,763,248.40x = 38,644,872.60 × 21,543,213.20
  4. Step 4: Simplify right side
    25,763,248.40x = 832,534,729,508,638.38
  5. Step 5: Solve for x
    x = 832,534,729,508,638.38/25,763,248.40
  6. Step 6: Final answer
    x = 32,314,819.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.