Home / 12,693,472.26-17,512,665.93-8,112,436.26

Finding the Fourth Proportional to 12,693,472.26, 17,512,665.93 and 8,112,436.26

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Solution

The fourth proportional to 12,693,472.26, 17,512,665.93 and 8,112,436.26 is: 11,192,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,472.26 : 17,512,665.93 = 8,112,436.26 : x
  2. Step 2: Convert to fraction form
    12,693,472.26/17,512,665.93 = 8,112,436.26/x
  3. Step 3: Cross multiply
    12,693,472.26x = 17,512,665.93 × 8,112,436.26
  4. Step 4: Simplify right side
    12,693,472.26x = 142,070,386,099,798.62
  5. Step 5: Solve for x
    x = 142,070,386,099,798.62/12,693,472.26
  6. Step 6: Final answer
    x = 11,192,397.41

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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.