Home / 9,321,021.53-12,863,408.88-5,191,052.62

Finding the Fourth Proportional to 9,321,021.53, 12,863,408.88 and 5,191,052.62

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Solution

The fourth proportional to 9,321,021.53, 12,863,408.88 and 5,191,052.62 is: 7,163,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321,021.53 : 12,863,408.88 = 5,191,052.62 : x
  2. Step 2: Convert to fraction form
    9,321,021.53/12,863,408.88 = 5,191,052.62/x
  3. Step 3: Cross multiply
    9,321,021.53x = 12,863,408.88 × 5,191,052.62
  4. Step 4: Simplify right side
    9,321,021.53x = 66,774,632,368,655.27
  5. Step 5: Solve for x
    x = 66,774,632,368,655.27/9,321,021.53
  6. Step 6: Final answer
    x = 7,163,874.92

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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.