Home / 12,973,344.38-17,900,245.05-7,745,335.05

Finding the Fourth Proportional to 12,973,344.38, 17,900,245.05 and 7,745,335.05

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Solution

The fourth proportional to 12,973,344.38, 17,900,245.05 and 7,745,335.05 is: 10,686,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973,344.38 : 17,900,245.05 = 7,745,335.05 : x
  2. Step 2: Convert to fraction form
    12,973,344.38/17,900,245.05 = 7,745,335.05/x
  3. Step 3: Cross multiply
    12,973,344.38x = 17,900,245.05 × 7,745,335.05
  4. Step 4: Simplify right side
    12,973,344.38x = 138,643,395,389,354
  5. Step 5: Solve for x
    x = 138,643,395,389,354/12,973,344.38
  6. Step 6: Final answer
    x = 10,686,789.11

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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.