Home / 7,220,896.12-10,832,978.76-2,428,453.60

Finding the Fourth Proportional to 7,220,896.12, 10,832,978.76 and 2,428,453.60

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Solution

The fourth proportional to 7,220,896.12, 10,832,978.76 and 2,428,453.60 is: 3,643,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,896.12 : 10,832,978.76 = 2,428,453.60 : x
  2. Step 2: Convert to fraction form
    7,220,896.12/10,832,978.76 = 2,428,453.60/x
  3. Step 3: Cross multiply
    7,220,896.12x = 10,832,978.76 × 2,428,453.60
  4. Step 4: Simplify right side
    7,220,896.12x = 26,307,386,268,445.54
  5. Step 5: Solve for x
    x = 26,307,386,268,445.54/7,220,896.12
  6. Step 6: Final answer
    x = 3,643,230.12

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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.