Home / 27,550,289.16-38,019,748.82-15,161,808.96

Finding the Fourth Proportional to 27,550,289.16, 38,019,748.82 and 15,161,808.96

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Solution

The fourth proportional to 27,550,289.16, 38,019,748.82 and 15,161,808.96 is: 20,923,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550,289.16 : 38,019,748.82 = 15,161,808.96 : x
  2. Step 2: Convert to fraction form
    27,550,289.16/38,019,748.82 = 15,161,808.96/x
  3. Step 3: Cross multiply
    27,550,289.16x = 38,019,748.82 × 15,161,808.96
  4. Step 4: Simplify right side
    27,550,289.16x = 576,448,168,240,216.38
  5. Step 5: Solve for x
    x = 576,448,168,240,216.38/27,550,289.16
  6. Step 6: Final answer
    x = 20,923,488.86

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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.