Home / 12,509,085-17,253,638.22-11,479,916.22

Finding the Fourth Proportional to 12,509,085, 17,253,638.22 and 11,479,916.22

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Solution

The fourth proportional to 12,509,085, 17,253,638.22 and 11,479,916.22 is: 15,834,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,085 : 17,253,638.22 = 11,479,916.22 : x
  2. Step 2: Convert to fraction form
    12,509,085/17,253,638.22 = 11,479,916.22/x
  3. Step 3: Cross multiply
    12,509,085x = 17,253,638.22 × 11,479,916.22
  4. Step 4: Simplify right side
    12,509,085x = 198,070,321,255,789.94
  5. Step 5: Solve for x
    x = 198,070,321,255,789.94/12,509,085
  6. Step 6: Final answer
    x = 15,834,117.46

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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.