Home / 51,548,757.80-77,371,728.84-18,790,989.10

Finding the Fourth Proportional to 51,548,757.80, 77,371,728.84 and 18,790,989.10

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Solution

The fourth proportional to 51,548,757.80, 77,371,728.84 and 18,790,989.10 is: 28,204,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,548,757.80 : 77,371,728.84 = 18,790,989.10 : x
  2. Step 2: Convert to fraction form
    51,548,757.80/77,371,728.84 = 18,790,989.10/x
  3. Step 3: Cross multiply
    51,548,757.80x = 77,371,728.84 × 18,790,989.10
  4. Step 4: Simplify right side
    51,548,757.80x = 1,453,891,313,280,595.75
  5. Step 5: Solve for x
    x = 1,453,891,313,280,595.75/51,548,757.80
  6. Step 6: Final answer
    x = 28,204,196.87

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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.