Home / 12,693,350.43-17,516,332.38-6,891,999.41

Finding the Fourth Proportional to 12,693,350.43, 17,516,332.38 and 6,891,999.41

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Solution

The fourth proportional to 12,693,350.43, 17,516,332.38 and 6,891,999.41 is: 9,510,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,350.43 : 17,516,332.38 = 6,891,999.41 : x
  2. Step 2: Convert to fraction form
    12,693,350.43/17,516,332.38 = 6,891,999.41/x
  3. Step 3: Cross multiply
    12,693,350.43x = 17,516,332.38 × 6,891,999.41
  4. Step 4: Simplify right side
    12,693,350.43x = 120,722,552,497,959.72
  5. Step 5: Solve for x
    x = 120,722,552,497,959.72/12,693,350.43
  6. Step 6: Final answer
    x = 9,510,692.48

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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.