Home / 20,094,043.31-27,745,399.34-15,440,493.07

Finding the Fourth Proportional to 20,094,043.31, 27,745,399.34 and 15,440,493.07

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Solution

The fourth proportional to 20,094,043.31, 27,745,399.34 and 15,440,493.07 is: 21,319,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094,043.31 : 27,745,399.34 = 15,440,493.07 : x
  2. Step 2: Convert to fraction form
    20,094,043.31/27,745,399.34 = 15,440,493.07/x
  3. Step 3: Cross multiply
    20,094,043.31x = 27,745,399.34 × 15,440,493.07
  4. Step 4: Simplify right side
    20,094,043.31x = 428,402,646,335,886.44
  5. Step 5: Solve for x
    x = 428,402,646,335,886.44/20,094,043.31
  6. Step 6: Final answer
    x = 21,319,882.70

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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.