Home / 11,328,121.20-16,998,086.70-4,939,019.40

Finding the Fourth Proportional to 11,328,121.20, 16,998,086.70 and 4,939,019.40

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Solution

The fourth proportional to 11,328,121.20, 16,998,086.70 and 4,939,019.40 is: 7,411,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,121.20 : 16,998,086.70 = 4,939,019.40 : x
  2. Step 2: Convert to fraction form
    11,328,121.20/16,998,086.70 = 4,939,019.40/x
  3. Step 3: Cross multiply
    11,328,121.20x = 16,998,086.70 × 4,939,019.40
  4. Step 4: Simplify right side
    11,328,121.20x = 83,953,879,974,181.98
  5. Step 5: Solve for x
    x = 83,953,879,974,181.98/11,328,121.20
  6. Step 6: Final answer
    x = 7,411,103.61

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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.