Home / 12,782,696.24-17,640,026.16-6,981,480.56

Finding the Fourth Proportional to 12,782,696.24, 17,640,026.16 and 6,981,480.56

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Solution

The fourth proportional to 12,782,696.24, 17,640,026.16 and 6,981,480.56 is: 9,634,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782,696.24 : 17,640,026.16 = 6,981,480.56 : x
  2. Step 2: Convert to fraction form
    12,782,696.24/17,640,026.16 = 6,981,480.56/x
  3. Step 3: Cross multiply
    12,782,696.24x = 17,640,026.16 × 6,981,480.56
  4. Step 4: Simplify right side
    12,782,696.24x = 123,153,499,713,931.44
  5. Step 5: Solve for x
    x = 123,153,499,713,931.44/12,782,696.24
  6. Step 6: Final answer
    x = 9,634,391.48

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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.