Home / 30,154,391.98-45,250,718.46-12,882,722.79

Finding the Fourth Proportional to 30,154,391.98, 45,250,718.46 and 12,882,722.79

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Solution

The fourth proportional to 30,154,391.98, 45,250,718.46 and 12,882,722.79 is: 19,332,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154,391.98 : 45,250,718.46 = 12,882,722.79 : x
  2. Step 2: Convert to fraction form
    30,154,391.98/45,250,718.46 = 12,882,722.79/x
  3. Step 3: Cross multiply
    30,154,391.98x = 45,250,718.46 × 12,882,722.79
  4. Step 4: Simplify right side
    30,154,391.98x = 582,952,461,968,515.62
  5. Step 5: Solve for x
    x = 582,952,461,968,515.62/30,154,391.98
  6. Step 6: Final answer
    x = 19,332,257.22

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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.