Home / 7,820,912.97-11,732,123.57-2,428,115.36

Finding the Fourth Proportional to 7,820,912.97, 11,732,123.57 and 2,428,115.36

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Solution

The fourth proportional to 7,820,912.97, 11,732,123.57 and 2,428,115.36 is: 3,642,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,912.97 : 11,732,123.57 = 2,428,115.36 : x
  2. Step 2: Convert to fraction form
    7,820,912.97/11,732,123.57 = 2,428,115.36/x
  3. Step 3: Cross multiply
    7,820,912.97x = 11,732,123.57 × 2,428,115.36
  4. Step 4: Simplify right side
    7,820,912.97x = 28,486,949,374,933.84
  5. Step 5: Solve for x
    x = 28,486,949,374,933.84/7,820,912.97
  6. Step 6: Final answer
    x = 3,642,407.16

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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.