Home / 7,280,920.80-10,921,381.20-3,237,400.80

Finding the Fourth Proportional to 7,280,920.80, 10,921,381.20 and 3,237,400.80

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Solution

The fourth proportional to 7,280,920.80, 10,921,381.20 and 3,237,400.80 is: 4,856,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,920.80 : 10,921,381.20 = 3,237,400.80 : x
  2. Step 2: Convert to fraction form
    7,280,920.80/10,921,381.20 = 3,237,400.80/x
  3. Step 3: Cross multiply
    7,280,920.80x = 10,921,381.20 × 3,237,400.80
  4. Step 4: Simplify right side
    7,280,920.80x = 35,356,888,233,984.95
  5. Step 5: Solve for x
    x = 35,356,888,233,984.95/7,280,920.80
  6. Step 6: Final answer
    x = 4,856,101.20

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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.