Home / 9,919,920.40-13,690,984.24-6,054,687.68

Finding the Fourth Proportional to 9,919,920.40, 13,690,984.24 and 6,054,687.68

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Solution

The fourth proportional to 9,919,920.40, 13,690,984.24 and 6,054,687.68 is: 8,356,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919,920.40 : 13,690,984.24 = 6,054,687.68 : x
  2. Step 2: Convert to fraction form
    9,919,920.40/13,690,984.24 = 6,054,687.68/x
  3. Step 3: Cross multiply
    9,919,920.40x = 13,690,984.24 × 6,054,687.68
  4. Step 4: Simplify right side
    9,919,920.40x = 82,894,633,555,637.98
  5. Step 5: Solve for x
    x = 82,894,633,555,637.98/9,919,920.40
  6. Step 6: Final answer
    x = 8,356,380.92

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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.