Home / 38,309,776.20-52,868,614.32-20,907,240.48

Finding the Fourth Proportional to 38,309,776.20, 52,868,614.32 and 20,907,240.48

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Solution

The fourth proportional to 38,309,776.20, 52,868,614.32 and 20,907,240.48 is: 28,852,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309,776.20 : 52,868,614.32 = 20,907,240.48 : x
  2. Step 2: Convert to fraction form
    38,309,776.20/52,868,614.32 = 20,907,240.48/x
  3. Step 3: Cross multiply
    38,309,776.20x = 52,868,614.32 × 20,907,240.48
  4. Step 4: Simplify right side
    38,309,776.20x = 1,105,336,833,432,611.75
  5. Step 5: Solve for x
    x = 1,105,336,833,432,611.75/38,309,776.20
  6. Step 6: Final answer
    x = 28,852,604.82

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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.