Home / 30,154,390.98-45,250,716.96-12,882,721.79

Finding the Fourth Proportional to 30,154,390.98, 45,250,716.96 and 12,882,721.79

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Solution

The fourth proportional to 30,154,390.98, 45,250,716.96 and 12,882,721.79 is: 19,332,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154,390.98 : 45,250,716.96 = 12,882,721.79 : x
  2. Step 2: Convert to fraction form
    30,154,390.98/45,250,716.96 = 12,882,721.79/x
  3. Step 3: Cross multiply
    30,154,390.98x = 45,250,716.96 × 12,882,721.79
  4. Step 4: Simplify right side
    30,154,390.98x = 582,952,397,167,461
  5. Step 5: Solve for x
    x = 582,952,397,167,461/30,154,390.98
  6. Step 6: Final answer
    x = 19,332,255.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.