Home / 27,654,019.35-38,156,849.30-15,891,015.67

Finding the Fourth Proportional to 27,654,019.35, 38,156,849.30 and 15,891,015.67

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Solution

The fourth proportional to 27,654,019.35, 38,156,849.30 and 15,891,015.67 is: 21,926,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654,019.35 : 38,156,849.30 = 15,891,015.67 : x
  2. Step 2: Convert to fraction form
    27,654,019.35/38,156,849.30 = 15,891,015.67/x
  3. Step 3: Cross multiply
    27,654,019.35x = 38,156,849.30 × 15,891,015.67
  4. Step 4: Simplify right side
    27,654,019.35x = 606,351,090,064,673.50
  5. Step 5: Solve for x
    x = 606,351,090,064,673.50/27,654,019.35
  6. Step 6: Final answer
    x = 21,926,327.68

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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.