Home / 15,211,803.56-20,992,454.16-8,336,138

Finding the Fourth Proportional to 15,211,803.56, 20,992,454.16 and 8,336,138

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Solution

The fourth proportional to 15,211,803.56, 20,992,454.16 and 8,336,138 is: 11,503,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211,803.56 : 20,992,454.16 = 8,336,138 : x
  2. Step 2: Convert to fraction form
    15,211,803.56/20,992,454.16 = 8,336,138/x
  3. Step 3: Cross multiply
    15,211,803.56x = 20,992,454.16 × 8,336,138
  4. Step 4: Simplify right side
    15,211,803.56x = 174,995,994,836,434.09
  5. Step 5: Solve for x
    x = 174,995,994,836,434.09/15,211,803.56
  6. Step 6: Final answer
    x = 11,503,961.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.