Home / 18,359,939.80-27,539,909.70-11,053,610.20

Finding the Fourth Proportional to 18,359,939.80, 27,539,909.70 and 11,053,610.20

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Solution

The fourth proportional to 18,359,939.80, 27,539,909.70 and 11,053,610.20 is: 16,580,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359,939.80 : 27,539,909.70 = 11,053,610.20 : x
  2. Step 2: Convert to fraction form
    18,359,939.80/27,539,909.70 = 11,053,610.20/x
  3. Step 3: Cross multiply
    18,359,939.80x = 27,539,909.70 × 11,053,610.20
  4. Step 4: Simplify right side
    18,359,939.80x = 304,415,426,766,998.94
  5. Step 5: Solve for x
    x = 304,415,426,766,998.94/18,359,939.80
  6. Step 6: Final answer
    x = 16,580,415.30

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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.