Home / 9,965,212.20-13,751,992.80-5,381,533.26

Finding the Fourth Proportional to 9,965,212.20, 13,751,992.80 and 5,381,533.26

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Solution

The fourth proportional to 9,965,212.20, 13,751,992.80 and 5,381,533.26 is: 7,426,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,212.20 : 13,751,992.80 = 5,381,533.26 : x
  2. Step 2: Convert to fraction form
    9,965,212.20/13,751,992.80 = 5,381,533.26/x
  3. Step 3: Cross multiply
    9,965,212.20x = 13,751,992.80 × 5,381,533.26
  4. Step 4: Simplify right side
    9,965,212.20x = 74,006,806,644,480.53
  5. Step 5: Solve for x
    x = 74,006,806,644,480.53/9,965,212.20
  6. Step 6: Final answer
    x = 7,426,515.88

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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.