Home / 12,787,996.38-17,646,513.84-6,985,546.40

Finding the Fourth Proportional to 12,787,996.38, 17,646,513.84 and 6,985,546.40

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Solution

The fourth proportional to 12,787,996.38, 17,646,513.84 and 6,985,546.40 is: 9,639,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,996.38 : 17,646,513.84 = 6,985,546.40 : x
  2. Step 2: Convert to fraction form
    12,787,996.38/17,646,513.84 = 6,985,546.40/x
  3. Step 3: Cross multiply
    12,787,996.38x = 17,646,513.84 × 6,985,546.40
  4. Step 4: Simplify right side
    12,787,996.38x = 123,270,541,139,329.59
  5. Step 5: Solve for x
    x = 123,270,541,139,329.59/12,787,996.38
  6. Step 6: Final answer
    x = 9,639,550.83

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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.