Home / 7,227,712-9,974,256.06-3,964,553.20

Finding the Fourth Proportional to 7,227,712, 9,974,256.06 and 3,964,553.20

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Solution

The fourth proportional to 7,227,712, 9,974,256.06 and 3,964,553.20 is: 5,471,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227,712 : 9,974,256.06 = 3,964,553.20 : x
  2. Step 2: Convert to fraction form
    7,227,712/9,974,256.06 = 3,964,553.20/x
  3. Step 3: Cross multiply
    7,227,712x = 9,974,256.06 × 3,964,553.20
  4. Step 4: Simplify right side
    7,227,712x = 39,543,468,780,292.40
  5. Step 5: Solve for x
    x = 39,543,468,780,292.40/7,227,712
  6. Step 6: Final answer
    x = 5,471,090.82

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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.