Home / 13,745,131.71-18,967,175.55-7,944,289.17

Finding the Fourth Proportional to 13,745,131.71, 18,967,175.55 and 7,944,289.17

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Solution

The fourth proportional to 13,745,131.71, 18,967,175.55 and 7,944,289.17 is: 10,962,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,131.71 : 18,967,175.55 = 7,944,289.17 : x
  2. Step 2: Convert to fraction form
    13,745,131.71/18,967,175.55 = 7,944,289.17/x
  3. Step 3: Cross multiply
    13,745,131.71x = 18,967,175.55 × 7,944,289.17
  4. Step 4: Simplify right side
    13,745,131.71x = 150,680,727,307,353.81
  5. Step 5: Solve for x
    x = 150,680,727,307,353.81/13,745,131.71
  6. Step 6: Final answer
    x = 10,962,479.70

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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.