Home / 8,314,937.40-12,472,406.10-5,478,252.60

Finding the Fourth Proportional to 8,314,937.40, 12,472,406.10 and 5,478,252.60

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Solution

The fourth proportional to 8,314,937.40, 12,472,406.10 and 5,478,252.60 is: 8,217,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314,937.40 : 12,472,406.10 = 5,478,252.60 : x
  2. Step 2: Convert to fraction form
    8,314,937.40/12,472,406.10 = 5,478,252.60/x
  3. Step 3: Cross multiply
    8,314,937.40x = 12,472,406.10 × 5,478,252.60
  4. Step 4: Simplify right side
    8,314,937.40x = 68,326,991,145,580.85
  5. Step 5: Solve for x
    x = 68,326,991,145,580.85/8,314,937.40
  6. Step 6: Final answer
    x = 8,217,378.90

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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.