Home / 8,157,644.92-12,225,444.52-3,106,199.80

Finding the Fourth Proportional to 8,157,644.92, 12,225,444.52 and 3,106,199.80

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Solution

The fourth proportional to 8,157,644.92, 12,225,444.52 and 3,106,199.80 is: 4,655,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157,644.92 : 12,225,444.52 = 3,106,199.80 : x
  2. Step 2: Convert to fraction form
    8,157,644.92/12,225,444.52 = 3,106,199.80/x
  3. Step 3: Cross multiply
    8,157,644.92x = 12,225,444.52 × 3,106,199.80
  4. Step 4: Simplify right side
    8,157,644.92x = 37,974,673,322,935.09
  5. Step 5: Solve for x
    x = 37,974,673,322,935.09/8,157,644.92
  6. Step 6: Final answer
    x = 4,655,102.51

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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.