Home / 18,716,170.32-28,070,011.32-8,474,268.89

Finding the Fourth Proportional to 18,716,170.32, 28,070,011.32 and 8,474,268.89

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Solution

The fourth proportional to 18,716,170.32, 28,070,011.32 and 8,474,268.89 is: 12,709,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,170.32 : 28,070,011.32 = 8,474,268.89 : x
  2. Step 2: Convert to fraction form
    18,716,170.32/28,070,011.32 = 8,474,268.89/x
  3. Step 3: Cross multiply
    18,716,170.32x = 28,070,011.32 × 8,474,268.89
  4. Step 4: Simplify right side
    18,716,170.32x = 237,872,823,709,420.34
  5. Step 5: Solve for x
    x = 237,872,823,709,420.34/18,716,170.32
  6. Step 6: Final answer
    x = 12,709,481.68

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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.