Home / 19,211,726-26,512,391.20-10,509,711.76

Finding the Fourth Proportional to 19,211,726, 26,512,391.20 and 10,509,711.76

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Solution

The fourth proportional to 19,211,726, 26,512,391.20 and 10,509,711.76 is: 14,503,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,726 : 26,512,391.20 = 10,509,711.76 : x
  2. Step 2: Convert to fraction form
    19,211,726/26,512,391.20 = 10,509,711.76/x
  3. Step 3: Cross multiply
    19,211,726x = 26,512,391.20 × 10,509,711.76
  4. Step 4: Simplify right side
    19,211,726x = 278,637,589,580,360.50
  5. Step 5: Solve for x
    x = 278,637,589,580,360.50/19,211,726
  6. Step 6: Final answer
    x = 14,503,516.74

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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.