Home / 21,085,207.58-31,632,683.52-8,955,067.97

Finding the Fourth Proportional to 21,085,207.58, 31,632,683.52 and 8,955,067.97

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Solution

The fourth proportional to 21,085,207.58, 31,632,683.52 and 8,955,067.97 is: 13,434,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085,207.58 : 31,632,683.52 = 8,955,067.97 : x
  2. Step 2: Convert to fraction form
    21,085,207.58/31,632,683.52 = 8,955,067.97/x
  3. Step 3: Cross multiply
    21,085,207.58x = 31,632,683.52 × 8,955,067.97
  4. Step 4: Simplify right side
    21,085,207.58x = 283,272,830,995,098.88
  5. Step 5: Solve for x
    x = 283,272,830,995,098.88/21,085,207.58
  6. Step 6: Final answer
    x = 13,434,671.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.