Home / 21,863,561.40-32,815,170.90-11,088,358.20

Finding the Fourth Proportional to 21,863,561.40, 32,815,170.90 and 11,088,358.20

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Solution

The fourth proportional to 21,863,561.40, 32,815,170.90 and 11,088,358.20 is: 16,642,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,561.40 : 32,815,170.90 = 11,088,358.20 : x
  2. Step 2: Convert to fraction form
    21,863,561.40/32,815,170.90 = 11,088,358.20/x
  3. Step 3: Cross multiply
    21,863,561.40x = 32,815,170.90 × 11,088,358.20
  4. Step 4: Simplify right side
    21,863,561.40x = 363,866,369,333,416.31
  5. Step 5: Solve for x
    x = 363,866,369,333,416.31/21,863,561.40
  6. Step 6: Final answer
    x = 16,642,593.71

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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.