Home / 20,773,331.72-28,666,668.66-11,606,043.08

Finding the Fourth Proportional to 20,773,331.72, 28,666,668.66 and 11,606,043.08

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Solution

The fourth proportional to 20,773,331.72, 28,666,668.66 and 11,606,043.08 is: 16,016,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773,331.72 : 28,666,668.66 = 11,606,043.08 : x
  2. Step 2: Convert to fraction form
    20,773,331.72/28,666,668.66 = 11,606,043.08/x
  3. Step 3: Cross multiply
    20,773,331.72x = 28,666,668.66 × 11,606,043.08
  4. Step 4: Simplify right side
    20,773,331.72x = 332,706,591,428,045.88
  5. Step 5: Solve for x
    x = 332,706,591,428,045.88/20,773,331.72
  6. Step 6: Final answer
    x = 16,016,043.84

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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.