Home / 9,853,129.05-13,603,716.16-8,818,845.72

Finding the Fourth Proportional to 9,853,129.05, 13,603,716.16 and 8,818,845.72

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Solution

The fourth proportional to 9,853,129.05, 13,603,716.16 and 8,818,845.72 is: 12,175,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853,129.05 : 13,603,716.16 = 8,818,845.72 : x
  2. Step 2: Convert to fraction form
    9,853,129.05/13,603,716.16 = 8,818,845.72/x
  3. Step 3: Cross multiply
    9,853,129.05x = 13,603,716.16 × 8,818,845.72
  4. Step 4: Simplify right side
    9,853,129.05x = 119,969,074,033,710.84
  5. Step 5: Solve for x
    x = 119,969,074,033,710.84/9,853,129.05
  6. Step 6: Final answer
    x = 12,175,733.56

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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.