Home / 9,853,137.80-13,603,728.24-8,818,854.47

Finding the Fourth Proportional to 9,853,137.80, 13,603,728.24 and 8,818,854.47

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Solution

The fourth proportional to 9,853,137.80, 13,603,728.24 and 8,818,854.47 is: 12,175,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853,137.80 : 13,603,728.24 = 8,818,854.47 : x
  2. Step 2: Convert to fraction form
    9,853,137.80/13,603,728.24 = 8,818,854.47/x
  3. Step 3: Cross multiply
    9,853,137.80x = 13,603,728.24 × 8,818,854.47
  4. Step 4: Simplify right side
    9,853,137.80x = 119,969,299,597,989.25
  5. Step 5: Solve for x
    x = 119,969,299,597,989.25/9,853,137.80
  6. Step 6: Final answer
    x = 12,175,745.64

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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.