Home / 20,745,439.20-31,117,033.92-6,368,509.44

Finding the Fourth Proportional to 20,745,439.20, 31,117,033.92 and 6,368,509.44

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Solution

The fourth proportional to 20,745,439.20, 31,117,033.92 and 6,368,509.44 is: 9,552,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,439.20 : 31,117,033.92 = 6,368,509.44 : x
  2. Step 2: Convert to fraction form
    20,745,439.20/31,117,033.92 = 6,368,509.44/x
  3. Step 3: Cross multiply
    20,745,439.20x = 31,117,033.92 × 6,368,509.44
  4. Step 4: Simplify right side
    20,745,439.20x = 198,169,124,264,320.22
  5. Step 5: Solve for x
    x = 198,169,124,264,320.22/20,745,439.20
  6. Step 6: Final answer
    x = 9,552,418.84

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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.