Home / 18,057,499.30-27,069,682.43-7,815,909.54

Finding the Fourth Proportional to 18,057,499.30, 27,069,682.43 and 7,815,909.54

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Solution

The fourth proportional to 18,057,499.30, 27,069,682.43 and 7,815,909.54 is: 11,716,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057,499.30 : 27,069,682.43 = 7,815,909.54 : x
  2. Step 2: Convert to fraction form
    18,057,499.30/27,069,682.43 = 7,815,909.54/x
  3. Step 3: Cross multiply
    18,057,499.30x = 27,069,682.43 × 7,815,909.54
  4. Step 4: Simplify right side
    18,057,499.30x = 211,574,189,149,407.38
  5. Step 5: Solve for x
    x = 211,574,189,149,407.38/18,057,499.30
  6. Step 6: Final answer
    x = 11,716,693.75

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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.