Home / 18,218,262.56-27,326,408.24-9,242,581.28

Finding the Fourth Proportional to 18,218,262.56, 27,326,408.24 and 9,242,581.28

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Solution

The fourth proportional to 18,218,262.56, 27,326,408.24 and 9,242,581.28 is: 13,863,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,262.56 : 27,326,408.24 = 9,242,581.28 : x
  2. Step 2: Convert to fraction form
    18,218,262.56/27,326,408.24 = 9,242,581.28/x
  3. Step 3: Cross multiply
    18,218,262.56x = 27,326,408.24 × 9,242,581.28
  4. Step 4: Simplify right side
    18,218,262.56x = 252,566,549,248,661.72
  5. Step 5: Solve for x
    x = 252,566,549,248,661.72/18,218,262.56
  6. Step 6: Final answer
    x = 13,863,371.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.