Home / 5,877,145.40-8,815,718.10-5,451,992.60

Finding the Fourth Proportional to 5,877,145.40, 8,815,718.10 and 5,451,992.60

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Solution

The fourth proportional to 5,877,145.40, 8,815,718.10 and 5,451,992.60 is: 8,177,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877,145.40 : 8,815,718.10 = 5,451,992.60 : x
  2. Step 2: Convert to fraction form
    5,877,145.40/8,815,718.10 = 5,451,992.60/x
  3. Step 3: Cross multiply
    5,877,145.40x = 8,815,718.10 × 5,451,992.60
  4. Step 4: Simplify right side
    5,877,145.40x = 48,063,229,844,886.05
  5. Step 5: Solve for x
    x = 48,063,229,844,886.05/5,877,145.40
  6. Step 6: Final answer
    x = 8,177,988.90

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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.