Home / 13,149,115.78-19,723,673.67-3,564,245.20

Finding the Fourth Proportional to 13,149,115.78, 19,723,673.67 and 3,564,245.20

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Solution

The fourth proportional to 13,149,115.78, 19,723,673.67 and 3,564,245.20 is: 5,346,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,115.78 : 19,723,673.67 = 3,564,245.20 : x
  2. Step 2: Convert to fraction form
    13,149,115.78/19,723,673.67 = 3,564,245.20/x
  3. Step 3: Cross multiply
    13,149,115.78x = 19,723,673.67 × 3,564,245.20
  4. Step 4: Simplify right side
    13,149,115.78x = 70,300,009,204,663.89
  5. Step 5: Solve for x
    x = 70,300,009,204,663.89/13,149,115.78
  6. Step 6: Final answer
    x = 5,346,367.80

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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.