Home / 7,200,177.75-10,800,277.02-2,940,345.98

Finding the Fourth Proportional to 7,200,177.75, 10,800,277.02 and 2,940,345.98

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Solution

The fourth proportional to 7,200,177.75, 10,800,277.02 and 2,940,345.98 is: 4,410,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,177.75 : 10,800,277.02 = 2,940,345.98 : x
  2. Step 2: Convert to fraction form
    7,200,177.75/10,800,277.02 = 2,940,345.98/x
  3. Step 3: Cross multiply
    7,200,177.75x = 10,800,277.02 × 2,940,345.98
  4. Step 4: Simplify right side
    7,200,177.75x = 31,756,551,145,644.07
  5. Step 5: Solve for x
    x = 31,756,551,145,644.07/7,200,177.75
  6. Step 6: Final answer
    x = 4,410,523.22

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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.