Home / 12,729,395.54-17,566,564.80-6,928,218.92

Finding the Fourth Proportional to 12,729,395.54, 17,566,564.80 and 6,928,218.92

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Solution

The fourth proportional to 12,729,395.54, 17,566,564.80 and 6,928,218.92 is: 9,560,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,395.54 : 17,566,564.80 = 6,928,218.92 : x
  2. Step 2: Convert to fraction form
    12,729,395.54/17,566,564.80 = 6,928,218.92/x
  3. Step 3: Cross multiply
    12,729,395.54x = 17,566,564.80 × 6,928,218.92
  4. Step 4: Simplify right side
    12,729,395.54x = 121,705,006,606,766.02
  5. Step 5: Solve for x
    x = 121,705,006,606,766.02/12,729,395.54
  6. Step 6: Final answer
    x = 9,560,941.54

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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.