Home / 12,667,646.89-17,480,884.36-6,866,304.07

Finding the Fourth Proportional to 12,667,646.89, 17,480,884.36 and 6,866,304.07

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Solution

The fourth proportional to 12,667,646.89, 17,480,884.36 and 6,866,304.07 is: 9,475,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,646.89 : 17,480,884.36 = 6,866,304.07 : x
  2. Step 2: Convert to fraction form
    12,667,646.89/17,480,884.36 = 6,866,304.07/x
  3. Step 3: Cross multiply
    12,667,646.89x = 17,480,884.36 × 6,866,304.07
  4. Step 4: Simplify right side
    12,667,646.89x = 120,029,067,428,267.34
  5. Step 5: Solve for x
    x = 120,029,067,428,267.34/12,667,646.89
  6. Step 6: Final answer
    x = 9,475,245.76

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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.