Home / 9,380,676-14,070,866.16-2,990,885.28

Finding the Fourth Proportional to 9,380,676, 14,070,866.16 and 2,990,885.28

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Solution

The fourth proportional to 9,380,676, 14,070,866.16 and 2,990,885.28 is: 4,486,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380,676 : 14,070,866.16 = 2,990,885.28 : x
  2. Step 2: Convert to fraction form
    9,380,676/14,070,866.16 = 2,990,885.28/x
  3. Step 3: Cross multiply
    9,380,676x = 14,070,866.16 × 2,990,885.28
  4. Step 4: Simplify right side
    9,380,676x = 42,084,346,474,794.12
  5. Step 5: Solve for x
    x = 42,084,346,474,794.12/9,380,676
  6. Step 6: Final answer
    x = 4,486,280.78

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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.