Home / 51,262,996.83-76,894,553.57-18,900,878.91

Finding the Fourth Proportional to 51,262,996.83, 76,894,553.57 and 18,900,878.91

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Solution

The fourth proportional to 51,262,996.83, 76,894,553.57 and 18,900,878.91 is: 28,351,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,262,996.83 : 76,894,553.57 = 18,900,878.91 : x
  2. Step 2: Convert to fraction form
    51,262,996.83/76,894,553.57 = 18,900,878.91/x
  3. Step 3: Cross multiply
    51,262,996.83x = 76,894,553.57 × 18,900,878.91
  4. Step 4: Simplify right side
    51,262,996.83x = 1,453,374,645,770,573.75
  5. Step 5: Solve for x
    x = 1,453,374,645,770,573.75/51,262,996.83
  6. Step 6: Final answer
    x = 28,351,339.87

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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.