Home / 12,690,296.56-19,038,082.20-5,770,479.52

Finding the Fourth Proportional to 12,690,296.56, 19,038,082.20 and 5,770,479.52

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Solution

The fourth proportional to 12,690,296.56, 19,038,082.20 and 5,770,479.52 is: 8,656,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,690,296.56 : 19,038,082.20 = 5,770,479.52 : x
  2. Step 2: Convert to fraction form
    12,690,296.56/19,038,082.20 = 5,770,479.52/x
  3. Step 3: Cross multiply
    12,690,296.56x = 19,038,082.20 × 5,770,479.52
  4. Step 4: Simplify right side
    12,690,296.56x = 109,858,863,435,176.53
  5. Step 5: Solve for x
    x = 109,858,863,435,176.53/12,690,296.56
  6. Step 6: Final answer
    x = 8,656,918.53

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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.