Home / 12,357,496.80-18,557,240.40-9,166,226.40

Finding the Fourth Proportional to 12,357,496.80, 18,557,240.40 and 9,166,226.40

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Solution

The fourth proportional to 12,357,496.80, 18,557,240.40 and 9,166,226.40 is: 13,764,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,496.80 : 18,557,240.40 = 9,166,226.40 : x
  2. Step 2: Convert to fraction form
    12,357,496.80/18,557,240.40 = 9,166,226.40/x
  3. Step 3: Cross multiply
    12,357,496.80x = 18,557,240.40 × 9,166,226.40
  4. Step 4: Simplify right side
    12,357,496.80x = 170,099,866,865,626.56
  5. Step 5: Solve for x
    x = 170,099,866,865,626.56/12,357,496.80
  6. Step 6: Final answer
    x = 13,764,912.88

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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.