Home / 12,866,338.64-17,755,855.80-6,986,220.64

Finding the Fourth Proportional to 12,866,338.64, 17,755,855.80 and 6,986,220.64

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Solution

The fourth proportional to 12,866,338.64, 17,755,855.80 and 6,986,220.64 is: 9,641,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,338.64 : 17,755,855.80 = 6,986,220.64 : x
  2. Step 2: Convert to fraction form
    12,866,338.64/17,755,855.80 = 6,986,220.64/x
  3. Step 3: Cross multiply
    12,866,338.64x = 17,755,855.80 × 6,986,220.64
  4. Step 4: Simplify right side
    12,866,338.64x = 124,046,326,200,235.75
  5. Step 5: Solve for x
    x = 124,046,326,200,235.75/12,866,338.64
  6. Step 6: Final answer
    x = 9,641,151.98

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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.