Home / 34,392,638.92-47,443,752.05-20,444,072.60

Finding the Fourth Proportional to 34,392,638.92, 47,443,752.05 and 20,444,072.60

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Solution

The fourth proportional to 34,392,638.92, 47,443,752.05 and 20,444,072.60 is: 28,202,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,392,638.92 : 47,443,752.05 = 20,444,072.60 : x
  2. Step 2: Convert to fraction form
    34,392,638.92/47,443,752.05 = 20,444,072.60/x
  3. Step 3: Cross multiply
    34,392,638.92x = 47,443,752.05 × 20,444,072.60
  4. Step 4: Simplify right side
    34,392,638.92x = 969,943,510,987,159.62
  5. Step 5: Solve for x
    x = 969,943,510,987,159.62/34,392,638.92
  6. Step 6: Final answer
    x = 28,202,067.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.