Home / 16,772,979.30-25,150,611.60-7,177,516.80

Finding the Fourth Proportional to 16,772,979.30, 25,150,611.60 and 7,177,516.80

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Solution

The fourth proportional to 16,772,979.30, 25,150,611.60 and 7,177,516.80 is: 10,762,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772,979.30 : 25,150,611.60 = 7,177,516.80 : x
  2. Step 2: Convert to fraction form
    16,772,979.30/25,150,611.60 = 7,177,516.80/x
  3. Step 3: Cross multiply
    16,772,979.30x = 25,150,611.60 × 7,177,516.80
  4. Step 4: Simplify right side
    16,772,979.30x = 180,518,937,289,274.88
  5. Step 5: Solve for x
    x = 180,518,937,289,274.88/16,772,979.30
  6. Step 6: Final answer
    x = 10,762,484.95

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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.