Home / 7,469,865.80-11,191,896.30-3,472,579.40

Finding the Fourth Proportional to 7,469,865.80, 11,191,896.30 and 3,472,579.40

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Solution

The fourth proportional to 7,469,865.80, 11,191,896.30 and 3,472,579.40 is: 5,202,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469,865.80 : 11,191,896.30 = 3,472,579.40 : x
  2. Step 2: Convert to fraction form
    7,469,865.80/11,191,896.30 = 3,472,579.40/x
  3. Step 3: Cross multiply
    7,469,865.80x = 11,191,896.30 × 3,472,579.40
  4. Step 4: Simplify right side
    7,469,865.80x = 38,864,748,538,316.22
  5. Step 5: Solve for x
    x = 38,864,748,538,316.22/7,469,865.80
  6. Step 6: Final answer
    x = 5,202,871.05

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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.