Home / 28,647,842-42,972,948.84-8,453,084

Finding the Fourth Proportional to 28,647,842, 42,972,948.84 and 8,453,084

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Solution

The fourth proportional to 28,647,842, 42,972,948.84 and 8,453,084 is: 12,679,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647,842 : 42,972,948.84 = 8,453,084 : x
  2. Step 2: Convert to fraction form
    28,647,842/42,972,948.84 = 8,453,084/x
  3. Step 3: Cross multiply
    28,647,842x = 42,972,948.84 × 8,453,084
  4. Step 4: Simplify right side
    28,647,842x = 363,253,946,272,222.56
  5. Step 5: Solve for x
    x = 363,253,946,272,222.56/28,647,842
  6. Step 6: Final answer
    x = 12,679,975.90

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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.