Home / 7,880,922.76-11,821,384.16-6,086,423.68

Finding the Fourth Proportional to 7,880,922.76, 11,821,384.16 and 6,086,423.68

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Solution

The fourth proportional to 7,880,922.76, 11,821,384.16 and 6,086,423.68 is: 9,129,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,922.76 : 11,821,384.16 = 6,086,423.68 : x
  2. Step 2: Convert to fraction form
    7,880,922.76/11,821,384.16 = 6,086,423.68/x
  3. Step 3: Cross multiply
    7,880,922.76x = 11,821,384.16 × 6,086,423.68
  4. Step 4: Simplify right side
    7,880,922.76x = 71,949,952,481,800.91
  5. Step 5: Solve for x
    x = 71,949,952,481,800.91/7,880,922.76
  6. Step 6: Final answer
    x = 9,129,635.54

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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.