Home / 13,503,833.90-18,635,340.05-7,308,961.79

Finding the Fourth Proportional to 13,503,833.90, 18,635,340.05 and 7,308,961.79

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Solution

The fourth proportional to 13,503,833.90, 18,635,340.05 and 7,308,961.79 is: 10,086,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,833.90 : 18,635,340.05 = 7,308,961.79 : x
  2. Step 2: Convert to fraction form
    13,503,833.90/18,635,340.05 = 7,308,961.79/x
  3. Step 3: Cross multiply
    13,503,833.90x = 18,635,340.05 × 7,308,961.79
  4. Step 4: Simplify right side
    13,503,833.90x = 136,204,988,266,793.78
  5. Step 5: Solve for x
    x = 136,204,988,266,793.78/13,503,833.90
  6. Step 6: Final answer
    x = 10,086,393.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.