Home / 18,135,598.76-25,000,687.10-13,777,118.27

Finding the Fourth Proportional to 18,135,598.76, 25,000,687.10 and 13,777,118.27

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Solution

The fourth proportional to 18,135,598.76, 25,000,687.10 and 13,777,118.27 is: 18,992,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,598.76 : 25,000,687.10 = 13,777,118.27 : x
  2. Step 2: Convert to fraction form
    18,135,598.76/25,000,687.10 = 13,777,118.27/x
  3. Step 3: Cross multiply
    18,135,598.76x = 25,000,687.10 × 13,777,118.27
  4. Step 4: Simplify right side
    18,135,598.76x = 344,437,422,917,402.69
  5. Step 5: Solve for x
    x = 344,437,422,917,402.69/18,135,598.76
  6. Step 6: Final answer
    x = 18,992,338.08

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1.5x scale

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.