Home / 15,194,506.78-22,778,987.74-12,308,717.57

Finding the Fourth Proportional to 15,194,506.78, 22,778,987.74 and 12,308,717.57

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Solution

The fourth proportional to 15,194,506.78, 22,778,987.74 and 12,308,717.57 is: 18,452,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194,506.78 : 22,778,987.74 = 12,308,717.57 : x
  2. Step 2: Convert to fraction form
    15,194,506.78/22,778,987.74 = 12,308,717.57/x
  3. Step 3: Cross multiply
    15,194,506.78x = 22,778,987.74 × 12,308,717.57
  4. Step 4: Simplify right side
    15,194,506.78x = 280,380,126,508,257.62
  5. Step 5: Solve for x
    x = 280,380,126,508,257.62/15,194,506.78
  6. Step 6: Final answer
    x = 18,452,729.70

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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.