Home / 27,627,720.11-41,355,367.61-20,349,398.18

Finding the Fourth Proportional to 27,627,720.11, 41,355,367.61 and 20,349,398.18

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Solution

The fourth proportional to 27,627,720.11, 41,355,367.61 and 20,349,398.18 is: 30,460,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,627,720.11 : 41,355,367.61 = 20,349,398.18 : x
  2. Step 2: Convert to fraction form
    27,627,720.11/41,355,367.61 = 20,349,398.18/x
  3. Step 3: Cross multiply
    27,627,720.11x = 41,355,367.61 × 20,349,398.18
  4. Step 4: Simplify right side
    27,627,720.11x = 841,556,842,259,647.75
  5. Step 5: Solve for x
    x = 841,556,842,259,647.75/27,627,720.11
  6. Step 6: Final answer
    x = 30,460,596.78

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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.