Home / 16,161,904.41-22,303,901.82-8,820,209.60

Finding the Fourth Proportional to 16,161,904.41, 22,303,901.82 and 8,820,209.60

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Solution

The fourth proportional to 16,161,904.41, 22,303,901.82 and 8,820,209.60 is: 12,172,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161,904.41 : 22,303,901.82 = 8,820,209.60 : x
  2. Step 2: Convert to fraction form
    16,161,904.41/22,303,901.82 = 8,820,209.60/x
  3. Step 3: Cross multiply
    16,161,904.41x = 22,303,901.82 × 8,820,209.60
  4. Step 4: Simplify right side
    16,161,904.41x = 196,725,088,838,701.97
  5. Step 5: Solve for x
    x = 196,725,088,838,701.97/16,161,904.41
  6. Step 6: Final answer
    x = 12,172,147.78

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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.