Home / 13,105,439.46-19,656,830.55-3,519,572.43

Finding the Fourth Proportional to 13,105,439.46, 19,656,830.55 and 3,519,572.43

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Solution

The fourth proportional to 13,105,439.46, 19,656,830.55 and 3,519,572.43 is: 5,279,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,439.46 : 19,656,830.55 = 3,519,572.43 : x
  2. Step 2: Convert to fraction form
    13,105,439.46/19,656,830.55 = 3,519,572.43/x
  3. Step 3: Cross multiply
    13,105,439.46x = 19,656,830.55 × 3,519,572.43
  4. Step 4: Simplify right side
    13,105,439.46x = 69,183,638,864,961.74
  5. Step 5: Solve for x
    x = 69,183,638,864,961.74/13,105,439.46
  6. Step 6: Final answer
    x = 5,279,001.83

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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.