Home / 38,851,199.52-53,614,826.57-21,447,687.75

Finding the Fourth Proportional to 38,851,199.52, 53,614,826.57 and 21,447,687.75

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Solution

The fourth proportional to 38,851,199.52, 53,614,826.57 and 21,447,687.75 is: 29,597,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851,199.52 : 53,614,826.57 = 21,447,687.75 : x
  2. Step 2: Convert to fraction form
    38,851,199.52/53,614,826.57 = 21,447,687.75/x
  3. Step 3: Cross multiply
    38,851,199.52x = 53,614,826.57 × 21,447,687.75
  4. Step 4: Simplify right side
    38,851,199.52x = 1,149,914,059,043,763.50
  5. Step 5: Solve for x
    x = 1,149,914,059,043,763.50/38,851,199.52
  6. Step 6: Final answer
    x = 29,597,903.62

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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.