Home / 12,599,085.76-18,901,639.04-4,079,431.68

Finding the Fourth Proportional to 12,599,085.76, 18,901,639.04 and 4,079,431.68

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Solution

The fourth proportional to 12,599,085.76, 18,901,639.04 and 4,079,431.68 is: 6,120,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599,085.76 : 18,901,639.04 = 4,079,431.68 : x
  2. Step 2: Convert to fraction form
    12,599,085.76/18,901,639.04 = 4,079,431.68/x
  3. Step 3: Cross multiply
    12,599,085.76x = 18,901,639.04 × 4,079,431.68
  4. Step 4: Simplify right side
    12,599,085.76x = 77,107,945,103,700.78
  5. Step 5: Solve for x
    x = 77,107,945,103,700.78/12,599,085.76
  6. Step 6: Final answer
    x = 6,120,122.25

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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.