Home / 7,150,597.61-9,868,015.62-3,887,631.88

Finding the Fourth Proportional to 7,150,597.61, 9,868,015.62 and 3,887,631.88

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Solution

The fourth proportional to 7,150,597.61, 9,868,015.62 and 3,887,631.88 is: 5,365,035.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150,597.61 : 9,868,015.62 = 3,887,631.88 : x
  2. Step 2: Convert to fraction form
    7,150,597.61/9,868,015.62 = 3,887,631.88/x
  3. Step 3: Cross multiply
    7,150,597.61x = 9,868,015.62 × 3,887,631.88
  4. Step 4: Simplify right side
    7,150,597.61x = 38,363,212,091,979.92
  5. Step 5: Solve for x
    x = 38,363,212,091,979.92/7,150,597.61
  6. Step 6: Final answer
    x = 5,365,035.79

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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.