Home / 8,474,718.40-12,712,077.60-7,545,745.60

Finding the Fourth Proportional to 8,474,718.40, 12,712,077.60 and 7,545,745.60

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Solution

The fourth proportional to 8,474,718.40, 12,712,077.60 and 7,545,745.60 is: 11,318,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,718.40 : 12,712,077.60 = 7,545,745.60 : x
  2. Step 2: Convert to fraction form
    8,474,718.40/12,712,077.60 = 7,545,745.60/x
  3. Step 3: Cross multiply
    8,474,718.40x = 12,712,077.60 × 7,545,745.60
  4. Step 4: Simplify right side
    8,474,718.40x = 95,922,103,617,058.55
  5. Step 5: Solve for x
    x = 95,922,103,617,058.55/8,474,718.40
  6. Step 6: Final answer
    x = 11,318,618.40

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Similar ratio
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1.5x scale

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.