Home / 6,995,114.40-9,653,293.20-3,939,380.64

Finding the Fourth Proportional to 6,995,114.40, 9,653,293.20 and 3,939,380.64

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Solution

The fourth proportional to 6,995,114.40, 9,653,293.20 and 3,939,380.64 is: 5,436,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995,114.40 : 9,653,293.20 = 3,939,380.64 : x
  2. Step 2: Convert to fraction form
    6,995,114.40/9,653,293.20 = 3,939,380.64/x
  3. Step 3: Cross multiply
    6,995,114.40x = 9,653,293.20 × 3,939,380.64
  4. Step 4: Simplify right side
    6,995,114.40x = 38,027,996,344,323.65
  5. Step 5: Solve for x
    x = 38,027,996,344,323.65/6,995,114.40
  6. Step 6: Final answer
    x = 5,436,365.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.