Home / 10,247,771.94-15,371,103.51-5,198,951.22

Finding the Fourth Proportional to 10,247,771.94, 15,371,103.51 and 5,198,951.22

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Solution

The fourth proportional to 10,247,771.94, 15,371,103.51 and 5,198,951.22 is: 7,798,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247,771.94 : 15,371,103.51 = 5,198,951.22 : x
  2. Step 2: Convert to fraction form
    10,247,771.94/15,371,103.51 = 5,198,951.22/x
  3. Step 3: Cross multiply
    10,247,771.94x = 15,371,103.51 × 5,198,951.22
  4. Step 4: Simplify right side
    10,247,771.94x = 79,913,617,346,060.78
  5. Step 5: Solve for x
    x = 79,913,617,346,060.78/10,247,771.94
  6. Step 6: Final answer
    x = 7,798,145.57

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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.