Home / 12,763,105.80-19,128,693.60-6,375,141.24

Finding the Fourth Proportional to 12,763,105.80, 19,128,693.60 and 6,375,141.24

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Solution

The fourth proportional to 12,763,105.80, 19,128,693.60 and 6,375,141.24 is: 9,554,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,105.80 : 19,128,693.60 = 6,375,141.24 : x
  2. Step 2: Convert to fraction form
    12,763,105.80/19,128,693.60 = 6,375,141.24/x
  3. Step 3: Cross multiply
    12,763,105.80x = 19,128,693.60 × 6,375,141.24
  4. Step 4: Simplify right side
    12,763,105.80x = 121,948,123,436,684.08
  5. Step 5: Solve for x
    x = 121,948,123,436,684.08/12,763,105.80
  6. Step 6: Final answer
    x = 9,554,737.33

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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.