Home / 7,227,711-9,974,254.68-3,964,552.20

Finding the Fourth Proportional to 7,227,711, 9,974,254.68 and 3,964,552.20

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Solution

The fourth proportional to 7,227,711, 9,974,254.68 and 3,964,552.20 is: 5,471,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227,711 : 9,974,254.68 = 3,964,552.20 : x
  2. Step 2: Convert to fraction form
    7,227,711/9,974,254.68 = 3,964,552.20/x
  3. Step 3: Cross multiply
    7,227,711x = 9,974,254.68 × 3,964,552.20
  4. Step 4: Simplify right side
    7,227,711x = 39,543,453,334,954.30
  5. Step 5: Solve for x
    x = 39,543,453,334,954.30/7,227,711
  6. Step 6: Final answer
    x = 5,471,089.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.