Home / 8,824,922.12-12,178,912.74-6,645,620.36

Finding the Fourth Proportional to 8,824,922.12, 12,178,912.74 and 6,645,620.36

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Solution

The fourth proportional to 8,824,922.12, 12,178,912.74 and 6,645,620.36 is: 9,171,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824,922.12 : 12,178,912.74 = 6,645,620.36 : x
  2. Step 2: Convert to fraction form
    8,824,922.12/12,178,912.74 = 6,645,620.36/x
  3. Step 3: Cross multiply
    8,824,922.12x = 12,178,912.74 × 6,645,620.36
  4. Step 4: Simplify right side
    8,824,922.12x = 80,936,430,467,607.39
  5. Step 5: Solve for x
    x = 80,936,430,467,607.39/8,824,922.12
  6. Step 6: Final answer
    x = 9,171,347.85

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1.5x scale

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.