Home / 18,045,993.60-27,068,990.40-10,871,540.10

Finding the Fourth Proportional to 18,045,993.60, 27,068,990.40 and 10,871,540.10

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Solution

The fourth proportional to 18,045,993.60, 27,068,990.40 and 10,871,540.10 is: 16,307,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045,993.60 : 27,068,990.40 = 10,871,540.10 : x
  2. Step 2: Convert to fraction form
    18,045,993.60/27,068,990.40 = 10,871,540.10/x
  3. Step 3: Cross multiply
    18,045,993.60x = 27,068,990.40 × 10,871,540.10
  4. Step 4: Simplify right side
    18,045,993.60x = 294,281,614,600,115
  5. Step 5: Solve for x
    x = 294,281,614,600,115/18,045,993.60
  6. Step 6: Final answer
    x = 16,307,310.15

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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.