Home / 14,231,456.47-19,639,175.48-7,705,033.75

Finding the Fourth Proportional to 14,231,456.47, 19,639,175.48 and 7,705,033.75

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Solution

The fourth proportional to 14,231,456.47, 19,639,175.48 and 7,705,033.75 is: 10,632,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231,456.47 : 19,639,175.48 = 7,705,033.75 : x
  2. Step 2: Convert to fraction form
    14,231,456.47/19,639,175.48 = 7,705,033.75/x
  3. Step 3: Cross multiply
    14,231,456.47x = 19,639,175.48 × 7,705,033.75
  4. Step 4: Simplify right side
    14,231,456.47x = 151,320,509,836,843.22
  5. Step 5: Solve for x
    x = 151,320,509,836,843.22/14,231,456.47
  6. Step 6: Final answer
    x = 10,632,819.64

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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.