Home / 9,690,789.05-13,373,574.15-5,340,155.60

Finding the Fourth Proportional to 9,690,789.05, 13,373,574.15 and 5,340,155.60

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Solution

The fourth proportional to 9,690,789.05, 13,373,574.15 and 5,340,155.60 is: 7,369,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690,789.05 : 13,373,574.15 = 5,340,155.60 : x
  2. Step 2: Convert to fraction form
    9,690,789.05/13,373,574.15 = 5,340,155.60/x
  3. Step 3: Cross multiply
    9,690,789.05x = 13,373,574.15 × 5,340,155.60
  4. Step 4: Simplify right side
    9,690,789.05x = 71,416,966,889,137.73
  5. Step 5: Solve for x
    x = 71,416,966,889,137.73/9,690,789.05
  6. Step 6: Final answer
    x = 7,369,571.92

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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.