Home / 7,280,775.20-10,921,162.80-2,231,429.60

Finding the Fourth Proportional to 7,280,775.20, 10,921,162.80 and 2,231,429.60

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Solution

The fourth proportional to 7,280,775.20, 10,921,162.80 and 2,231,429.60 is: 3,347,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,775.20 : 10,921,162.80 = 2,231,429.60 : x
  2. Step 2: Convert to fraction form
    7,280,775.20/10,921,162.80 = 2,231,429.60/x
  3. Step 3: Cross multiply
    7,280,775.20x = 10,921,162.80 × 2,231,429.60
  4. Step 4: Simplify right side
    7,280,775.20x = 24,369,805,938,338.88
  5. Step 5: Solve for x
    x = 24,369,805,938,338.88/7,280,775.20
  6. Step 6: Final answer
    x = 3,347,144.40

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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.