Home / 12,635,057.25-17,434,879.36-7,128,110.61

Finding the Fourth Proportional to 12,635,057.25, 17,434,879.36 and 7,128,110.61

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Solution

The fourth proportional to 12,635,057.25, 17,434,879.36 and 7,128,110.61 is: 9,835,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,057.25 : 17,434,879.36 = 7,128,110.61 : x
  2. Step 2: Convert to fraction form
    12,635,057.25/17,434,879.36 = 7,128,110.61/x
  3. Step 3: Cross multiply
    12,635,057.25x = 17,434,879.36 × 7,128,110.61
  4. Step 4: Simplify right side
    12,635,057.25x = 124,277,748,532,265.75
  5. Step 5: Solve for x
    x = 124,277,748,532,265.75/12,635,057.25
  6. Step 6: Final answer
    x = 9,835,946.61

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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.