Home / 18,876,144.42-28,296,278.10-12,033,513.90

Finding the Fourth Proportional to 18,876,144.42, 28,296,278.10 and 12,033,513.90

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Solution

The fourth proportional to 18,876,144.42, 28,296,278.10 and 12,033,513.90 is: 18,038,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876,144.42 : 28,296,278.10 = 12,033,513.90 : x
  2. Step 2: Convert to fraction form
    18,876,144.42/28,296,278.10 = 12,033,513.90/x
  3. Step 3: Cross multiply
    18,876,144.42x = 28,296,278.10 × 12,033,513.90
  4. Step 4: Simplify right side
    18,876,144.42x = 340,503,655,834,615.62
  5. Step 5: Solve for x
    x = 340,503,655,834,615.62/18,876,144.42
  6. Step 6: Final answer
    x = 18,038,835.06

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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.