Home / 12,509,085.76-17,253,639.26-11,479,916.96

Finding the Fourth Proportional to 12,509,085.76, 17,253,639.26 and 11,479,916.96

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Solution

The fourth proportional to 12,509,085.76, 17,253,639.26 and 11,479,916.96 is: 15,834,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,085.76 : 17,253,639.26 = 11,479,916.96 : x
  2. Step 2: Convert to fraction form
    12,509,085.76/17,253,639.26 = 11,479,916.96/x
  3. Step 3: Cross multiply
    12,509,085.76x = 17,253,639.26 × 11,479,916.96
  4. Step 4: Simplify right side
    12,509,085.76x = 198,070,345,962,595.88
  5. Step 5: Solve for x
    x = 198,070,345,962,595.88/12,509,085.76
  6. Step 6: Final answer
    x = 15,834,118.48

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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.