Home / 31,977,917.12-44,129,872.31-17,293,868.78

Finding the Fourth Proportional to 31,977,917.12, 44,129,872.31 and 17,293,868.78

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Solution

The fourth proportional to 31,977,917.12, 44,129,872.31 and 17,293,868.78 is: 23,865,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977,917.12 : 44,129,872.31 = 17,293,868.78 : x
  2. Step 2: Convert to fraction form
    31,977,917.12/44,129,872.31 = 17,293,868.78/x
  3. Step 3: Cross multiply
    31,977,917.12x = 44,129,872.31 × 17,293,868.78
  4. Step 4: Simplify right side
    31,977,917.12x = 763,176,220,700,176.75
  5. Step 5: Solve for x
    x = 763,176,220,700,176.75/31,977,917.12
  6. Step 6: Final answer
    x = 23,865,726.39

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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.