Home / 12,366,938.60-18,541,550.55-5,174,770.40

Finding the Fourth Proportional to 12,366,938.60, 18,541,550.55 and 5,174,770.40

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Solution

The fourth proportional to 12,366,938.60, 18,541,550.55 and 5,174,770.40 is: 7,758,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,938.60 : 18,541,550.55 = 5,174,770.40 : x
  2. Step 2: Convert to fraction form
    12,366,938.60/18,541,550.55 = 5,174,770.40/x
  3. Step 3: Cross multiply
    12,366,938.60x = 18,541,550.55 × 5,174,770.40
  4. Step 4: Simplify right side
    12,366,938.60x = 95,948,266,956,243.73
  5. Step 5: Solve for x
    x = 95,948,266,956,243.73/12,366,938.60
  6. Step 6: Final answer
    x = 7,758,449.37

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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.