Home / 20,029,751.78-30,040,423.39-5,649,456.63

Finding the Fourth Proportional to 20,029,751.78, 30,040,423.39 and 5,649,456.63

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Solution

The fourth proportional to 20,029,751.78, 30,040,423.39 and 5,649,456.63 is: 8,472,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029,751.78 : 30,040,423.39 = 5,649,456.63 : x
  2. Step 2: Convert to fraction form
    20,029,751.78/30,040,423.39 = 5,649,456.63/x
  3. Step 3: Cross multiply
    20,029,751.78x = 30,040,423.39 × 5,649,456.63
  4. Step 4: Simplify right side
    20,029,751.78x = 169,712,069,088,642.56
  5. Step 5: Solve for x
    x = 169,712,069,088,642.56/20,029,751.78
  6. Step 6: Final answer
    x = 8,472,999.11

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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.