Home / 18,158,765.38-25,058,190.58-10,317,241.85

Finding the Fourth Proportional to 18,158,765.38, 25,058,190.58 and 10,317,241.85

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Solution

The fourth proportional to 18,158,765.38, 25,058,190.58 and 10,317,241.85 is: 14,237,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,765.38 : 25,058,190.58 = 10,317,241.85 : x
  2. Step 2: Convert to fraction form
    18,158,765.38/25,058,190.58 = 10,317,241.85/x
  3. Step 3: Cross multiply
    18,158,765.38x = 25,058,190.58 × 10,317,241.85
  4. Step 4: Simplify right side
    18,158,765.38x = 258,531,412,386,167.75
  5. Step 5: Solve for x
    x = 258,531,412,386,167.75/18,158,765.38
  6. Step 6: Final answer
    x = 14,237,279.19

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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.