Home / 27,662,143.11-38,177,104.90-15,743,854.45

Finding the Fourth Proportional to 27,662,143.11, 38,177,104.90 and 15,743,854.45

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Solution

The fourth proportional to 27,662,143.11, 38,177,104.90 and 15,743,854.45 is: 21,728,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662,143.11 : 38,177,104.90 = 15,743,854.45 : x
  2. Step 2: Convert to fraction form
    27,662,143.11/38,177,104.90 = 15,743,854.45/x
  3. Step 3: Cross multiply
    27,662,143.11x = 38,177,104.90 × 15,743,854.45
  4. Step 4: Simplify right side
    27,662,143.11x = 601,054,782,867,981.75
  5. Step 5: Solve for x
    x = 601,054,782,867,981.75/27,662,143.11
  6. Step 6: Final answer
    x = 21,728,424.31

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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.