Home / 12,879,102.14-19,286,766.76-9,459,279.32

Finding the Fourth Proportional to 12,879,102.14, 19,286,766.76 and 9,459,279.32

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Solution

The fourth proportional to 12,879,102.14, 19,286,766.76 and 9,459,279.32 is: 14,165,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,102.14 : 19,286,766.76 = 9,459,279.32 : x
  2. Step 2: Convert to fraction form
    12,879,102.14/19,286,766.76 = 9,459,279.32/x
  3. Step 3: Cross multiply
    12,879,102.14x = 19,286,766.76 × 9,459,279.32
  4. Step 4: Simplify right side
    12,879,102.14x = 182,438,913,962,531.44
  5. Step 5: Solve for x
    x = 182,438,913,962,531.44/12,879,102.14
  6. Step 6: Final answer
    x = 14,165,499.43

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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.