Home / 34,265,921.28-47,279,041.92-20,509,658.88

Finding the Fourth Proportional to 34,265,921.28, 47,279,041.92 and 20,509,658.88

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Solution

The fourth proportional to 34,265,921.28, 47,279,041.92 and 20,509,658.88 is: 28,298,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,265,921.28 : 47,279,041.92 = 20,509,658.88 : x
  2. Step 2: Convert to fraction form
    34,265,921.28/47,279,041.92 = 20,509,658.88/x
  3. Step 3: Cross multiply
    34,265,921.28x = 47,279,041.92 × 20,509,658.88
  4. Step 4: Simplify right side
    34,265,921.28x = 969,677,021,952,420.25
  5. Step 5: Solve for x
    x = 969,677,021,952,420.25/34,265,921.28
  6. Step 6: Final answer
    x = 28,298,583.13

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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.