Home / 22,811,819.13-31,479,106.41-13,021,874.01

Finding the Fourth Proportional to 22,811,819.13, 31,479,106.41 and 13,021,874.01

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Solution

The fourth proportional to 22,811,819.13, 31,479,106.41 and 13,021,874.01 is: 17,969,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811,819.13 : 31,479,106.41 = 13,021,874.01 : x
  2. Step 2: Convert to fraction form
    22,811,819.13/31,479,106.41 = 13,021,874.01/x
  3. Step 3: Cross multiply
    22,811,819.13x = 31,479,106.41 × 13,021,874.01
  4. Step 4: Simplify right side
    22,811,819.13x = 409,916,957,618,403.38
  5. Step 5: Solve for x
    x = 409,916,957,618,403.38/22,811,819.13
  6. Step 6: Final answer
    x = 17,969,498.85

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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.