Home / 13,745,154.33-18,967,206.78-7,944,311.79

Finding the Fourth Proportional to 13,745,154.33, 18,967,206.78 and 7,944,311.79

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Solution

The fourth proportional to 13,745,154.33, 18,967,206.78 and 7,944,311.79 is: 10,962,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,154.33 : 18,967,206.78 = 7,944,311.79 : x
  2. Step 2: Convert to fraction form
    13,745,154.33/18,967,206.78 = 7,944,311.79/x
  3. Step 3: Cross multiply
    13,745,154.33x = 18,967,206.78 × 7,944,311.79
  4. Step 4: Simplify right side
    13,745,154.33x = 150,681,404,445,721.94
  5. Step 5: Solve for x
    x = 150,681,404,445,721.94/13,745,154.33
  6. Step 6: Final answer
    x = 10,962,510.92

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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.