Home / 21,210,340.81-31,815,469.68-5,857,591.58

Finding the Fourth Proportional to 21,210,340.81, 31,815,469.68 and 5,857,591.58

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Solution

The fourth proportional to 21,210,340.81, 31,815,469.68 and 5,857,591.58 is: 8,786,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,210,340.81 : 31,815,469.68 = 5,857,591.58 : x
  2. Step 2: Convert to fraction form
    21,210,340.81/31,815,469.68 = 5,857,591.58/x
  3. Step 3: Cross multiply
    21,210,340.81x = 31,815,469.68 × 5,857,591.58
  4. Step 4: Simplify right side
    21,210,340.81x = 186,362,027,249,578
  5. Step 5: Solve for x
    x = 186,362,027,249,578/21,210,340.81
  6. Step 6: Final answer
    x = 8,786,375.90

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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.