Home / 12,973,347.38-17,900,249.19-7,745,338.05

Finding the Fourth Proportional to 12,973,347.38, 17,900,249.19 and 7,745,338.05

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Solution

The fourth proportional to 12,973,347.38, 17,900,249.19 and 7,745,338.05 is: 10,686,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973,347.38 : 17,900,249.19 = 7,745,338.05 : x
  2. Step 2: Convert to fraction form
    12,973,347.38/17,900,249.19 = 7,745,338.05/x
  3. Step 3: Cross multiply
    12,973,347.38x = 17,900,249.19 × 7,745,338.05
  4. Step 4: Simplify right side
    12,973,347.38x = 138,643,481,155,788.69
  5. Step 5: Solve for x
    x = 138,643,481,155,788.69/12,973,347.38
  6. Step 6: Final answer
    x = 10,686,793.25

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1.5x scale

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.