Home / 13,452,465.20-20,178,697.80-12,177,006.80

Finding the Fourth Proportional to 13,452,465.20, 20,178,697.80 and 12,177,006.80

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Solution

The fourth proportional to 13,452,465.20, 20,178,697.80 and 12,177,006.80 is: 18,265,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,465.20 : 20,178,697.80 = 12,177,006.80 : x
  2. Step 2: Convert to fraction form
    13,452,465.20/20,178,697.80 = 12,177,006.80/x
  3. Step 3: Cross multiply
    13,452,465.20x = 20,178,697.80 × 12,177,006.80
  4. Step 4: Simplify right side
    13,452,465.20x = 245,716,140,325,745.06
  5. Step 5: Solve for x
    x = 245,716,140,325,745.06/13,452,465.20
  6. Step 6: Final answer
    x = 18,265,510.20

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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.