Home / 20,272,248.76-27,975,708.30-11,105,217.40

Finding the Fourth Proportional to 20,272,248.76, 27,975,708.30 and 11,105,217.40

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Solution

The fourth proportional to 20,272,248.76, 27,975,708.30 and 11,105,217.40 is: 15,325,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272,248.76 : 27,975,708.30 = 11,105,217.40 : x
  2. Step 2: Convert to fraction form
    20,272,248.76/27,975,708.30 = 11,105,217.40/x
  3. Step 3: Cross multiply
    20,272,248.76x = 27,975,708.30 × 11,105,217.40
  4. Step 4: Simplify right side
    20,272,248.76x = 310,676,322,590,484.44
  5. Step 5: Solve for x
    x = 310,676,322,590,484.44/20,272,248.76
  6. Step 6: Final answer
    x = 15,325,202.76

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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.