Home / 12,340,990.16-18,523,426.20-5,955,737.36

Finding the Fourth Proportional to 12,340,990.16, 18,523,426.20 and 5,955,737.36

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Solution

The fourth proportional to 12,340,990.16, 18,523,426.20 and 5,955,737.36 is: 8,939,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340,990.16 : 18,523,426.20 = 5,955,737.36 : x
  2. Step 2: Convert to fraction form
    12,340,990.16/18,523,426.20 = 5,955,737.36/x
  3. Step 3: Cross multiply
    12,340,990.16x = 18,523,426.20 × 5,955,737.36
  4. Step 4: Simplify right side
    12,340,990.16x = 110,320,661,454,542.83
  5. Step 5: Solve for x
    x = 110,320,661,454,542.83/12,340,990.16
  6. Step 6: Final answer
    x = 8,939,368.72

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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.