Home / 20,197,381.56-30,340,912.68-12,526,695.03

Finding the Fourth Proportional to 20,197,381.56, 30,340,912.68 and 12,526,695.03

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Solution

The fourth proportional to 20,197,381.56, 30,340,912.68 and 12,526,695.03 is: 18,817,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,381.56 : 30,340,912.68 = 12,526,695.03 : x
  2. Step 2: Convert to fraction form
    20,197,381.56/30,340,912.68 = 12,526,695.03/x
  3. Step 3: Cross multiply
    20,197,381.56x = 30,340,912.68 × 12,526,695.03
  4. Step 4: Simplify right side
    20,197,381.56x = 380,071,359,913,466.44
  5. Step 5: Solve for x
    x = 380,071,359,913,466.44/20,197,381.56
  6. Step 6: Final answer
    x = 18,817,853.14

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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.