Home / 12,763,631-19,145,613.20-4,243,967.48

Finding the Fourth Proportional to 12,763,631, 19,145,613.20 and 4,243,967.48

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Solution

The fourth proportional to 12,763,631, 19,145,613.20 and 4,243,967.48 is: 6,366,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,631 : 19,145,613.20 = 4,243,967.48 : x
  2. Step 2: Convert to fraction form
    12,763,631/19,145,613.20 = 4,243,967.48/x
  3. Step 3: Cross multiply
    12,763,631x = 19,145,613.20 × 4,243,967.48
  4. Step 4: Simplify right side
    12,763,631x = 81,253,359,805,458.73
  5. Step 5: Solve for x
    x = 81,253,359,805,458.73/12,763,631
  6. Step 6: Final answer
    x = 6,366,006.65

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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.