Home / 7,785,148.80-11,677,723.20-5,645,193.60

Finding the Fourth Proportional to 7,785,148.80, 11,677,723.20 and 5,645,193.60

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Solution

The fourth proportional to 7,785,148.80, 11,677,723.20 and 5,645,193.60 is: 8,467,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785,148.80 : 11,677,723.20 = 5,645,193.60 : x
  2. Step 2: Convert to fraction form
    7,785,148.80/11,677,723.20 = 5,645,193.60/x
  3. Step 3: Cross multiply
    7,785,148.80x = 11,677,723.20 × 5,645,193.60
  4. Step 4: Simplify right side
    7,785,148.80x = 65,923,008,271,211.51
  5. Step 5: Solve for x
    x = 65,923,008,271,211.51/7,785,148.80
  6. Step 6: Final answer
    x = 8,467,790.40

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Similar ratio
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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.