Home / 12,642,502.92-17,446,759.54-7,418,634.76

Finding the Fourth Proportional to 12,642,502.92, 17,446,759.54 and 7,418,634.76

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Solution

The fourth proportional to 12,642,502.92, 17,446,759.54 and 7,418,634.76 is: 10,237,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,502.92 : 17,446,759.54 = 7,418,634.76 : x
  2. Step 2: Convert to fraction form
    12,642,502.92/17,446,759.54 = 7,418,634.76/x
  3. Step 3: Cross multiply
    12,642,502.92x = 17,446,759.54 × 7,418,634.76
  4. Step 4: Simplify right side
    12,642,502.92x = 129,431,136,772,805.59
  5. Step 5: Solve for x
    x = 129,431,136,772,805.59/12,642,502.92
  6. Step 6: Final answer
    x = 10,237,777.88

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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.