Home / 18,156,726-25,056,281.88-10,008,138.96

Finding the Fourth Proportional to 18,156,726, 25,056,281.88 and 10,008,138.96

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Solution

The fourth proportional to 18,156,726, 25,056,281.88 and 10,008,138.96 is: 13,811,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156,726 : 25,056,281.88 = 10,008,138.96 : x
  2. Step 2: Convert to fraction form
    18,156,726/25,056,281.88 = 10,008,138.96/x
  3. Step 3: Cross multiply
    18,156,726x = 25,056,281.88 × 10,008,138.96
  4. Step 4: Simplify right side
    18,156,726x = 250,766,750,875,970.06
  5. Step 5: Solve for x
    x = 250,766,750,875,970.06/18,156,726
  6. Step 6: Final answer
    x = 13,811,231.76

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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.