Home / 28,647,841.50-42,972,948.09-8,453,083.50

Finding the Fourth Proportional to 28,647,841.50, 42,972,948.09 and 8,453,083.50

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Solution

The fourth proportional to 28,647,841.50, 42,972,948.09 and 8,453,083.50 is: 12,679,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647,841.50 : 42,972,948.09 = 8,453,083.50 : x
  2. Step 2: Convert to fraction form
    28,647,841.50/42,972,948.09 = 8,453,083.50/x
  3. Step 3: Cross multiply
    28,647,841.50x = 42,972,948.09 × 8,453,083.50
  4. Step 4: Simplify right side
    28,647,841.50x = 363,253,918,445,935.56
  5. Step 5: Solve for x
    x = 363,253,918,445,935.56/28,647,841.50
  6. Step 6: Final answer
    x = 12,679,975.15

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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.