Home / 13,005,856.44-17,947,846.80-7,204,620.24

Finding the Fourth Proportional to 13,005,856.44, 17,947,846.80 and 7,204,620.24

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Solution

The fourth proportional to 13,005,856.44, 17,947,846.80 and 7,204,620.24 is: 9,942,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,856.44 : 17,947,846.80 = 7,204,620.24 : x
  2. Step 2: Convert to fraction form
    13,005,856.44/17,947,846.80 = 7,204,620.24/x
  3. Step 3: Cross multiply
    13,005,856.44x = 17,947,846.80 × 7,204,620.24
  4. Step 4: Simplify right side
    13,005,856.44x = 129,307,420,319,699.23
  5. Step 5: Solve for x
    x = 129,307,420,319,699.23/13,005,856.44
  6. Step 6: Final answer
    x = 9,942,245.70

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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.