Home / 20,718,747.03-31,080,956.82-7,068,228.41

Finding the Fourth Proportional to 20,718,747.03, 31,080,956.82 and 7,068,228.41

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Solution

The fourth proportional to 20,718,747.03, 31,080,956.82 and 7,068,228.41 is: 10,603,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,718,747.03 : 31,080,956.82 = 7,068,228.41 : x
  2. Step 2: Convert to fraction form
    20,718,747.03/31,080,956.82 = 7,068,228.41/x
  3. Step 3: Cross multiply
    20,718,747.03x = 31,080,956.82 × 7,068,228.41
  4. Step 4: Simplify right side
    20,718,747.03x = 219,687,302,056,303.78
  5. Step 5: Solve for x
    x = 219,687,302,056,303.78/20,718,747.03
  6. Step 6: Final answer
    x = 10,603,310.21

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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.