Home / 18,876,153.42-28,296,291.60-12,033,522.90

Finding the Fourth Proportional to 18,876,153.42, 28,296,291.60 and 12,033,522.90

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Solution

The fourth proportional to 18,876,153.42, 28,296,291.60 and 12,033,522.90 is: 18,038,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876,153.42 : 28,296,291.60 = 12,033,522.90 : x
  2. Step 2: Convert to fraction form
    18,876,153.42/28,296,291.60 = 12,033,522.90/x
  3. Step 3: Cross multiply
    18,876,153.42x = 28,296,291.60 × 12,033,522.90
  4. Step 4: Simplify right side
    18,876,153.42x = 340,504,072,953,677.69
  5. Step 5: Solve for x
    x = 340,504,072,953,677.69/18,876,153.42
  6. Step 6: Final answer
    x = 18,038,848.56

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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.