Home / 7,672,339.60-11,517,840.60-5,764,109.20

Finding the Fourth Proportional to 7,672,339.60, 11,517,840.60 and 5,764,109.20

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Solution

The fourth proportional to 7,672,339.60, 11,517,840.60 and 5,764,109.20 is: 8,653,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672,339.60 : 11,517,840.60 = 5,764,109.20 : x
  2. Step 2: Convert to fraction form
    7,672,339.60/11,517,840.60 = 5,764,109.20/x
  3. Step 3: Cross multiply
    7,672,339.60x = 11,517,840.60 × 5,764,109.20
  4. Step 4: Simplify right side
    7,672,339.60x = 66,390,090,966,593.52
  5. Step 5: Solve for x
    x = 66,390,090,966,593.52/7,672,339.60
  6. Step 6: Final answer
    x = 8,653,174.19

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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.