Home / 13,745,132.30-18,967,176.38-7,944,289.76

Finding the Fourth Proportional to 13,745,132.30, 18,967,176.38 and 7,944,289.76

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Solution

The fourth proportional to 13,745,132.30, 18,967,176.38 and 7,944,289.76 is: 10,962,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,132.30 : 18,967,176.38 = 7,944,289.76 : x
  2. Step 2: Convert to fraction form
    13,745,132.30/18,967,176.38 = 7,944,289.76/x
  3. Step 3: Cross multiply
    13,745,132.30x = 18,967,176.38 × 7,944,289.76
  4. Step 4: Simplify right side
    13,745,132.30x = 150,680,745,091,747.84
  5. Step 5: Solve for x
    x = 150,680,745,091,747.84/13,745,132.30
  6. Step 6: Final answer
    x = 10,962,480.52

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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.