Home / 9,187,886.75-12,679,180.61-5,057,829.59

Finding the Fourth Proportional to 9,187,886.75, 12,679,180.61 and 5,057,829.59

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Solution

The fourth proportional to 9,187,886.75, 12,679,180.61 and 5,057,829.59 is: 6,979,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187,886.75 : 12,679,180.61 = 5,057,829.59 : x
  2. Step 2: Convert to fraction form
    9,187,886.75/12,679,180.61 = 5,057,829.59/x
  3. Step 3: Cross multiply
    9,187,886.75x = 12,679,180.61 × 5,057,829.59
  4. Step 4: Simplify right side
    9,187,886.75x = 64,129,134,777,527.20
  5. Step 5: Solve for x
    x = 64,129,134,777,527.20/9,187,886.75
  6. Step 6: Final answer
    x = 6,979,748.07

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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.