Home / 21,540,220.61-29,725,504.47-11,750,704.29

Finding the Fourth Proportional to 21,540,220.61, 29,725,504.47 and 11,750,704.29

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Solution

The fourth proportional to 21,540,220.61, 29,725,504.47 and 11,750,704.29 is: 16,215,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540,220.61 : 29,725,504.47 = 11,750,704.29 : x
  2. Step 2: Convert to fraction form
    21,540,220.61/29,725,504.47 = 11,750,704.29/x
  3. Step 3: Cross multiply
    21,540,220.61x = 29,725,504.47 × 11,750,704.29
  4. Step 4: Simplify right side
    21,540,220.61x = 349,295,612,898,043.12
  5. Step 5: Solve for x
    x = 349,295,612,898,043.12/21,540,220.61
  6. Step 6: Final answer
    x = 16,215,971.94

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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.