Home / 9,691,281.87-13,374,058.68-5,340,523.88

Finding the Fourth Proportional to 9,691,281.87, 13,374,058.68 and 5,340,523.88

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Solution

The fourth proportional to 9,691,281.87, 13,374,058.68 and 5,340,523.88 is: 7,369,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,281.87 : 13,374,058.68 = 5,340,523.88 : x
  2. Step 2: Convert to fraction form
    9,691,281.87/13,374,058.68 = 5,340,523.88/x
  3. Step 3: Cross multiply
    9,691,281.87x = 13,374,058.68 × 5,340,523.88
  4. Step 4: Simplify right side
    9,691,281.87x = 71,424,479,686,190.98
  5. Step 5: Solve for x
    x = 71,424,479,686,190.98/9,691,281.87
  6. Step 6: Final answer
    x = 7,369,972.38

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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.