Home / 13,988,956.11-20,983,471.61-3,891,578.19

Finding the Fourth Proportional to 13,988,956.11, 20,983,471.61 and 3,891,578.19

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Solution

The fourth proportional to 13,988,956.11, 20,983,471.61 and 3,891,578.19 is: 5,837,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,956.11 : 20,983,471.61 = 3,891,578.19 : x
  2. Step 2: Convert to fraction form
    13,988,956.11/20,983,471.61 = 3,891,578.19/x
  3. Step 3: Cross multiply
    13,988,956.11x = 20,983,471.61 × 3,891,578.19
  4. Step 4: Simplify right side
    13,988,956.11x = 81,658,820,448,502.30
  5. Step 5: Solve for x
    x = 81,658,820,448,502.30/13,988,956.11
  6. Step 6: Final answer
    x = 5,837,377.70

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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.