Home / 16,128,713.89-22,257,586.20-8,786,607.36

Finding the Fourth Proportional to 16,128,713.89, 22,257,586.20 and 8,786,607.36

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Solution

The fourth proportional to 16,128,713.89, 22,257,586.20 and 8,786,607.36 is: 12,125,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,713.89 : 22,257,586.20 = 8,786,607.36 : x
  2. Step 2: Convert to fraction form
    16,128,713.89/22,257,586.20 = 8,786,607.36/x
  3. Step 3: Cross multiply
    16,128,713.89x = 22,257,586.20 × 8,786,607.36
  4. Step 4: Simplify right side
    16,128,713.89x = 195,568,670,720,754.41
  5. Step 5: Solve for x
    x = 195,568,670,720,754.41/16,128,713.89
  6. Step 6: Final answer
    x = 12,125,496.93

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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.