Home / 6,912,021.20-10,368,031.80-4,747,182.80

Finding the Fourth Proportional to 6,912,021.20, 10,368,031.80 and 4,747,182.80

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Solution

The fourth proportional to 6,912,021.20, 10,368,031.80 and 4,747,182.80 is: 7,120,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,021.20 : 10,368,031.80 = 4,747,182.80 : x
  2. Step 2: Convert to fraction form
    6,912,021.20/10,368,031.80 = 4,747,182.80/x
  3. Step 3: Cross multiply
    6,912,021.20x = 10,368,031.80 × 4,747,182.80
  4. Step 4: Simplify right side
    6,912,021.20x = 49,218,942,230,813.04
  5. Step 5: Solve for x
    x = 49,218,942,230,813.04/6,912,021.20
  6. Step 6: Final answer
    x = 7,120,774.20

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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.