Home / 11,988,676.80-17,983,015.20-4,414,658.40

Finding the Fourth Proportional to 11,988,676.80, 17,983,015.20 and 4,414,658.40

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Solution

The fourth proportional to 11,988,676.80, 17,983,015.20 and 4,414,658.40 is: 6,621,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988,676.80 : 17,983,015.20 = 4,414,658.40 : x
  2. Step 2: Convert to fraction form
    11,988,676.80/17,983,015.20 = 4,414,658.40/x
  3. Step 3: Cross multiply
    11,988,676.80x = 17,983,015.20 × 4,414,658.40
  4. Step 4: Simplify right side
    11,988,676.80x = 79,388,869,110,007.69
  5. Step 5: Solve for x
    x = 79,388,869,110,007.69/11,988,676.80
  6. Step 6: Final answer
    x = 6,621,987.60

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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.