Home / 8,319,922.37-12,479,883.78-2,254,653.87

Finding the Fourth Proportional to 8,319,922.37, 12,479,883.78 and 2,254,653.87

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Solution

The fourth proportional to 8,319,922.37, 12,479,883.78 and 2,254,653.87 is: 3,381,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,922.37 : 12,479,883.78 = 2,254,653.87 : x
  2. Step 2: Convert to fraction form
    8,319,922.37/12,479,883.78 = 2,254,653.87/x
  3. Step 3: Cross multiply
    8,319,922.37x = 12,479,883.78 × 2,254,653.87
  4. Step 4: Simplify right side
    8,319,922.37x = 28,137,818,260,180.28
  5. Step 5: Solve for x
    x = 28,137,818,260,180.28/8,319,922.37
  6. Step 6: Final answer
    x = 3,381,980.87

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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.