Home / 8,387,868.16-12,561,622.62-4,782,705.40

Finding the Fourth Proportional to 8,387,868.16, 12,561,622.62 and 4,782,705.40

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Solution

The fourth proportional to 8,387,868.16, 12,561,622.62 and 4,782,705.40 is: 7,162,551.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,868.16 : 12,561,622.62 = 4,782,705.40 : x
  2. Step 2: Convert to fraction form
    8,387,868.16/12,561,622.62 = 4,782,705.40/x
  3. Step 3: Cross multiply
    8,387,868.16x = 12,561,622.62 × 4,782,705.40
  4. Step 4: Simplify right side
    8,387,868.16x = 60,078,540,337,436.15
  5. Step 5: Solve for x
    x = 60,078,540,337,436.15/8,387,868.16
  6. Step 6: Final answer
    x = 7,162,551.82

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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.