Home / 13,988,956.86-20,983,472.73-3,891,578.94

Finding the Fourth Proportional to 13,988,956.86, 20,983,472.73 and 3,891,578.94

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Solution

The fourth proportional to 13,988,956.86, 20,983,472.73 and 3,891,578.94 is: 5,837,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,956.86 : 20,983,472.73 = 3,891,578.94 : x
  2. Step 2: Convert to fraction form
    13,988,956.86/20,983,472.73 = 3,891,578.94/x
  3. Step 3: Cross multiply
    13,988,956.86x = 20,983,472.73 × 3,891,578.94
  4. Step 4: Simplify right side
    13,988,956.86x = 81,658,840,564,132.31
  5. Step 5: Solve for x
    x = 81,658,840,564,132.31/13,988,956.86
  6. Step 6: Final answer
    x = 5,837,378.83

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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.