Home / 20,447,114.70-30,644,622.45-10,867,082.70

Finding the Fourth Proportional to 20,447,114.70, 30,644,622.45 and 10,867,082.70

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Solution

The fourth proportional to 20,447,114.70, 30,644,622.45 and 10,867,082.70 is: 16,286,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,114.70 : 30,644,622.45 = 10,867,082.70 : x
  2. Step 2: Convert to fraction form
    20,447,114.70/30,644,622.45 = 10,867,082.70/x
  3. Step 3: Cross multiply
    20,447,114.70x = 30,644,622.45 × 10,867,082.70
  4. Step 4: Simplify right side
    20,447,114.70x = 333,017,646,474,426.56
  5. Step 5: Solve for x
    x = 333,017,646,474,426.56/20,447,114.70
  6. Step 6: Final answer
    x = 16,286,779.40

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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.