Home / 11,558,428.40-17,342,826.60-3,990,825.20

Finding the Fourth Proportional to 11,558,428.40, 17,342,826.60 and 3,990,825.20

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Solution

The fourth proportional to 11,558,428.40, 17,342,826.60 and 3,990,825.20 is: 5,988,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558,428.40 : 17,342,826.60 = 3,990,825.20 : x
  2. Step 2: Convert to fraction form
    11,558,428.40/17,342,826.60 = 3,990,825.20/x
  3. Step 3: Cross multiply
    11,558,428.40x = 17,342,826.60 × 3,990,825.20
  4. Step 4: Simplify right side
    11,558,428.40x = 69,212,189,434,510.33
  5. Step 5: Solve for x
    x = 69,212,189,434,510.33/11,558,428.40
  6. Step 6: Final answer
    x = 5,988,027.70

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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.