Home / 7,948,288.80-11,923,988.40-3,399,328.80

Finding the Fourth Proportional to 7,948,288.80, 11,923,988.40 and 3,399,328.80

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Solution

The fourth proportional to 7,948,288.80, 11,923,988.40 and 3,399,328.80 is: 5,099,658.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948,288.80 : 11,923,988.40 = 3,399,328.80 : x
  2. Step 2: Convert to fraction form
    7,948,288.80/11,923,988.40 = 3,399,328.80/x
  3. Step 3: Cross multiply
    7,948,288.80x = 11,923,988.40 × 3,399,328.80
  4. Step 4: Simplify right side
    7,948,288.80x = 40,533,557,178,985.92
  5. Step 5: Solve for x
    x = 40,533,557,178,985.92/7,948,288.80
  6. Step 6: Final answer
    x = 5,099,658.33

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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.