Home / 12,748,589.38-19,126,622.22-4,112,516.80

Finding the Fourth Proportional to 12,748,589.38, 19,126,622.22 and 4,112,516.80

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Solution

The fourth proportional to 12,748,589.38, 19,126,622.22 and 4,112,516.80 is: 6,169,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748,589.38 : 19,126,622.22 = 4,112,516.80 : x
  2. Step 2: Convert to fraction form
    12,748,589.38/19,126,622.22 = 4,112,516.80/x
  3. Step 3: Cross multiply
    12,748,589.38x = 19,126,622.22 × 4,112,516.80
  4. Step 4: Simplify right side
    12,748,589.38x = 78,658,555,207,003.28
  5. Step 5: Solve for x
    x = 78,658,555,207,003.28/12,748,589.38
  6. Step 6: Final answer
    x = 6,169,981.07

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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.