Home / 12,439,291.20-18,667,231.20-7,047,931.20

Finding the Fourth Proportional to 12,439,291.20, 18,667,231.20 and 7,047,931.20

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Solution

The fourth proportional to 12,439,291.20, 18,667,231.20 and 7,047,931.20 is: 10,576,596.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439,291.20 : 18,667,231.20 = 7,047,931.20 : x
  2. Step 2: Convert to fraction form
    12,439,291.20/18,667,231.20 = 7,047,931.20/x
  3. Step 3: Cross multiply
    12,439,291.20x = 18,667,231.20 × 7,047,931.20
  4. Step 4: Simplify right side
    12,439,291.20x = 131,565,361,192,093.44
  5. Step 5: Solve for x
    x = 131,565,361,192,093.44/12,439,291.20
  6. Step 6: Final answer
    x = 10,576,596.29

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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.