Home / 18,887,084.63-28,296,414.91-8,660,499.04

Finding the Fourth Proportional to 18,887,084.63, 28,296,414.91 and 8,660,499.04

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Solution

The fourth proportional to 18,887,084.63, 28,296,414.91 and 8,660,499.04 is: 12,975,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,084.63 : 28,296,414.91 = 8,660,499.04 : x
  2. Step 2: Convert to fraction form
    18,887,084.63/28,296,414.91 = 8,660,499.04/x
  3. Step 3: Cross multiply
    18,887,084.63x = 28,296,414.91 × 8,660,499.04
  4. Step 4: Simplify right side
    18,887,084.63x = 245,061,074,160,986.16
  5. Step 5: Solve for x
    x = 245,061,074,160,986.16/18,887,084.63
  6. Step 6: Final answer
    x = 12,975,060.94

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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.