Home / 38,309,713.38-52,868,527.38-20,907,177.48

Finding the Fourth Proportional to 38,309,713.38, 52,868,527.38 and 20,907,177.48

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Solution

The fourth proportional to 38,309,713.38, 52,868,527.38 and 20,907,177.48 is: 28,852,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309,713.38 : 52,868,527.38 = 20,907,177.48 : x
  2. Step 2: Convert to fraction form
    38,309,713.38/52,868,527.38 = 20,907,177.48/x
  3. Step 3: Cross multiply
    38,309,713.38x = 52,868,527.38 × 20,907,177.48
  4. Step 4: Simplify right side
    38,309,713.38x = 1,105,331,685,039,899.50
  5. Step 5: Solve for x
    x = 1,105,331,685,039,899.50/38,309,713.38
  6. Step 6: Final answer
    x = 28,852,517.74

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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.