Home / 9,659,856.80-13,330,921.96-5,309,097.32

Finding the Fourth Proportional to 9,659,856.80, 13,330,921.96 and 5,309,097.32

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Solution

The fourth proportional to 9,659,856.80, 13,330,921.96 and 5,309,097.32 is: 7,326,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,856.80 : 13,330,921.96 = 5,309,097.32 : x
  2. Step 2: Convert to fraction form
    9,659,856.80/13,330,921.96 = 5,309,097.32/x
  3. Step 3: Cross multiply
    9,659,856.80x = 13,330,921.96 × 5,309,097.32
  4. Step 4: Simplify right side
    9,659,856.80x = 70,775,162,050,965.16
  5. Step 5: Solve for x
    x = 70,775,162,050,965.16/9,659,856.80
  6. Step 6: Final answer
    x = 7,326,729.94

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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.