Home / 7,128,045.20-10,682,736.60-2,864,723.60

Finding the Fourth Proportional to 7,128,045.20, 10,682,736.60 and 2,864,723.60

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Solution

The fourth proportional to 7,128,045.20, 10,682,736.60 and 2,864,723.60 is: 4,293,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,045.20 : 10,682,736.60 = 2,864,723.60 : x
  2. Step 2: Convert to fraction form
    7,128,045.20/10,682,736.60 = 2,864,723.60/x
  3. Step 3: Cross multiply
    7,128,045.20x = 10,682,736.60 × 2,864,723.60
  4. Step 4: Simplify right side
    7,128,045.20x = 30,603,087,650,603.76
  5. Step 5: Solve for x
    x = 30,603,087,650,603.76/7,128,045.20
  6. Step 6: Final answer
    x = 4,293,335.24

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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.