Home / 7,778,885.67-11,668,234.63-2,021,109.75

Finding the Fourth Proportional to 7,778,885.67, 11,668,234.63 and 2,021,109.75

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Solution

The fourth proportional to 7,778,885.67, 11,668,234.63 and 2,021,109.75 is: 3,031,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,885.67 : 11,668,234.63 = 2,021,109.75 : x
  2. Step 2: Convert to fraction form
    7,778,885.67/11,668,234.63 = 2,021,109.75/x
  3. Step 3: Cross multiply
    7,778,885.67x = 11,668,234.63 × 2,021,109.75
  4. Step 4: Simplify right side
    7,778,885.67x = 23,582,782,770,927.87
  5. Step 5: Solve for x
    x = 23,582,782,770,927.87/7,778,885.67
  6. Step 6: Final answer
    x = 3,031,640.23

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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.