Home / 10,647,808.40-15,971,712.60-4,979,104.40

Finding the Fourth Proportional to 10,647,808.40, 15,971,712.60 and 4,979,104.40

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Solution

The fourth proportional to 10,647,808.40, 15,971,712.60 and 4,979,104.40 is: 7,468,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,808.40 : 15,971,712.60 = 4,979,104.40 : x
  2. Step 2: Convert to fraction form
    10,647,808.40/15,971,712.60 = 4,979,104.40/x
  3. Step 3: Cross multiply
    10,647,808.40x = 15,971,712.60 × 4,979,104.40
  4. Step 4: Simplify right side
    10,647,808.40x = 79,524,824,482,195.44
  5. Step 5: Solve for x
    x = 79,524,824,482,195.44/10,647,808.40
  6. Step 6: Final answer
    x = 7,468,656.60

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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.