Home / 21,043,568.24-29,040,123.72-11,385,776.24

Finding the Fourth Proportional to 21,043,568.24, 29,040,123.72 and 11,385,776.24

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Solution

The fourth proportional to 21,043,568.24, 29,040,123.72 and 11,385,776.24 is: 15,712,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043,568.24 : 29,040,123.72 = 11,385,776.24 : x
  2. Step 2: Convert to fraction form
    21,043,568.24/29,040,123.72 = 11,385,776.24/x
  3. Step 3: Cross multiply
    21,043,568.24x = 29,040,123.72 × 11,385,776.24
  4. Step 4: Simplify right side
    21,043,568.24x = 330,644,350,657,836.38
  5. Step 5: Solve for x
    x = 330,644,350,657,836.38/21,043,568.24
  6. Step 6: Final answer
    x = 15,712,370.97

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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.