Home / 6,418,017.42-8,856,931.92-3,517,344.68

Finding the Fourth Proportional to 6,418,017.42, 8,856,931.92 and 3,517,344.68

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Solution

The fourth proportional to 6,418,017.42, 8,856,931.92 and 3,517,344.68 is: 4,853,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,017.42 : 8,856,931.92 = 3,517,344.68 : x
  2. Step 2: Convert to fraction form
    6,418,017.42/8,856,931.92 = 3,517,344.68/x
  3. Step 3: Cross multiply
    6,418,017.42x = 8,856,931.92 × 3,517,344.68
  4. Step 4: Simplify right side
    6,418,017.42x = 31,152,882,369,934.19
  5. Step 5: Solve for x
    x = 31,152,882,369,934.19/6,418,017.42
  6. Step 6: Final answer
    x = 4,853,972.86

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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.