Home / 41,472,028.20-62,208,042.30-21,279,311.40

Finding the Fourth Proportional to 41,472,028.20, 62,208,042.30 and 21,279,311.40

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Solution

The fourth proportional to 41,472,028.20, 62,208,042.30 and 21,279,311.40 is: 31,918,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,472,028.20 : 62,208,042.30 = 21,279,311.40 : x
  2. Step 2: Convert to fraction form
    41,472,028.20/62,208,042.30 = 21,279,311.40/x
  3. Step 3: Cross multiply
    41,472,028.20x = 62,208,042.30 × 21,279,311.40
  4. Step 4: Simplify right side
    41,472,028.20x = 1,323,744,303,686,072
  5. Step 5: Solve for x
    x = 1,323,744,303,686,072/41,472,028.20
  6. Step 6: Final answer
    x = 31,918,967.10

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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.