Home / 40,969,005.12-56,536,567.08-22,383,745.92

Finding the Fourth Proportional to 40,969,005.12, 56,536,567.08 and 22,383,745.92

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Solution

The fourth proportional to 40,969,005.12, 56,536,567.08 and 22,383,745.92 is: 30,889,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,969,005.12 : 56,536,567.08 = 22,383,745.92 : x
  2. Step 2: Convert to fraction form
    40,969,005.12/56,536,567.08 = 22,383,745.92/x
  3. Step 3: Cross multiply
    40,969,005.12x = 56,536,567.08 × 22,383,745.92
  4. Step 4: Simplify right side
    40,969,005.12x = 1,265,500,152,707,756.25
  5. Step 5: Solve for x
    x = 1,265,500,152,707,756.25/40,969,005.12
  6. Step 6: Final answer
    x = 30,889,208.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.