Home / 12,950,164.53-17,871,185.19-7,069,871.40

Finding the Fourth Proportional to 12,950,164.53, 17,871,185.19 and 7,069,871.40

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Solution

The fourth proportional to 12,950,164.53, 17,871,185.19 and 7,069,871.40 is: 9,756,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,164.53 : 17,871,185.19 = 7,069,871.40 : x
  2. Step 2: Convert to fraction form
    12,950,164.53/17,871,185.19 = 7,069,871.40/x
  3. Step 3: Cross multiply
    12,950,164.53x = 17,871,185.19 × 7,069,871.40
  4. Step 4: Simplify right side
    12,950,164.53x = 126,346,981,137,891.97
  5. Step 5: Solve for x
    x = 126,346,981,137,891.97/12,950,164.53
  6. Step 6: Final answer
    x = 9,756,399.68

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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.