Home / 13,187,872.20-19,781,808.30-8,883,200.10

Finding the Fourth Proportional to 13,187,872.20, 19,781,808.30 and 8,883,200.10

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Solution

The fourth proportional to 13,187,872.20, 19,781,808.30 and 8,883,200.10 is: 13,324,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,872.20 : 19,781,808.30 = 8,883,200.10 : x
  2. Step 2: Convert to fraction form
    13,187,872.20/19,781,808.30 = 8,883,200.10/x
  3. Step 3: Cross multiply
    13,187,872.20x = 19,781,808.30 × 8,883,200.10
  4. Step 4: Simplify right side
    13,187,872.20x = 175,725,761,468,740.84
  5. Step 5: Solve for x
    x = 175,725,761,468,740.84/13,187,872.20
  6. Step 6: Final answer
    x = 13,324,800.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.