Home / 9,318,570.72-12,857,500.08-5,242,702.56

Finding the Fourth Proportional to 9,318,570.72, 12,857,500.08 and 5,242,702.56

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Solution

The fourth proportional to 9,318,570.72, 12,857,500.08 and 5,242,702.56 is: 7,233,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,570.72 : 12,857,500.08 = 5,242,702.56 : x
  2. Step 2: Convert to fraction form
    9,318,570.72/12,857,500.08 = 5,242,702.56/x
  3. Step 3: Cross multiply
    9,318,570.72x = 12,857,500.08 × 5,242,702.56
  4. Step 4: Simplify right side
    9,318,570.72x = 67,408,048,584,616.20
  5. Step 5: Solve for x
    x = 67,408,048,584,616.20/9,318,570.72
  6. Step 6: Final answer
    x = 7,233,732.58

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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.