Home / 20,148,159.14-30,219,286.06-9,910,270.86

Finding the Fourth Proportional to 20,148,159.14, 30,219,286.06 and 9,910,270.86

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Solution

The fourth proportional to 20,148,159.14, 30,219,286.06 and 9,910,270.86 is: 14,863,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,159.14 : 30,219,286.06 = 9,910,270.86 : x
  2. Step 2: Convert to fraction form
    20,148,159.14/30,219,286.06 = 9,910,270.86/x
  3. Step 3: Cross multiply
    20,148,159.14x = 30,219,286.06 × 9,910,270.86
  4. Step 4: Simplify right side
    20,148,159.14x = 299,481,309,893,742.44
  5. Step 5: Solve for x
    x = 299,481,309,893,742.44/20,148,159.14
  6. Step 6: Final answer
    x = 14,863,953.96

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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.