Home / 7,997,986.50-11,989,778.14-2,876,816.69

Finding the Fourth Proportional to 7,997,986.50, 11,989,778.14 and 2,876,816.69

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Solution

The fourth proportional to 7,997,986.50, 11,989,778.14 and 2,876,816.69 is: 4,312,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997,986.50 : 11,989,778.14 = 2,876,816.69 : x
  2. Step 2: Convert to fraction form
    7,997,986.50/11,989,778.14 = 2,876,816.69/x
  3. Step 3: Cross multiply
    7,997,986.50x = 11,989,778.14 × 2,876,816.69
  4. Step 4: Simplify right side
    7,997,986.50x = 34,492,393,862,549.16
  5. Step 5: Solve for x
    x = 34,492,393,862,549.16/7,997,986.50
  6. Step 6: Final answer
    x = 4,312,634.67

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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.