Home / 8,172,981.30-12,262,096.35-3,622,271.70

Finding the Fourth Proportional to 8,172,981.30, 12,262,096.35 and 3,622,271.70

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Solution

The fourth proportional to 8,172,981.30, 12,262,096.35 and 3,622,271.70 is: 5,434,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,981.30 : 12,262,096.35 = 3,622,271.70 : x
  2. Step 2: Convert to fraction form
    8,172,981.30/12,262,096.35 = 3,622,271.70/x
  3. Step 3: Cross multiply
    8,172,981.30x = 12,262,096.35 × 3,622,271.70
  4. Step 4: Simplify right side
    8,172,981.30x = 44,416,644,591,278.30
  5. Step 5: Solve for x
    x = 44,416,644,591,278.30/8,172,981.30
  6. Step 6: Final answer
    x = 5,434,570.69

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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.