Home / 18,709,129.44-25,818,076.08-10,561,125.60

Finding the Fourth Proportional to 18,709,129.44, 25,818,076.08 and 10,561,125.60

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Solution

The fourth proportional to 18,709,129.44, 25,818,076.08 and 10,561,125.60 is: 14,574,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,129.44 : 25,818,076.08 = 10,561,125.60 : x
  2. Step 2: Convert to fraction form
    18,709,129.44/25,818,076.08 = 10,561,125.60/x
  3. Step 3: Cross multiply
    18,709,129.44x = 25,818,076.08 × 10,561,125.60
  4. Step 4: Simplify right side
    18,709,129.44x = 272,667,944,231,235.62
  5. Step 5: Solve for x
    x = 272,667,944,231,235.62/18,709,129.44
  6. Step 6: Final answer
    x = 14,574,058.36

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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.