Home / 8,458,782.92-12,677,771.55-3,336,070.76

Finding the Fourth Proportional to 8,458,782.92, 12,677,771.55 and 3,336,070.76

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Solution

The fourth proportional to 8,458,782.92, 12,677,771.55 and 3,336,070.76 is: 5,000,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,782.92 : 12,677,771.55 = 3,336,070.76 : x
  2. Step 2: Convert to fraction form
    8,458,782.92/12,677,771.55 = 3,336,070.76/x
  3. Step 3: Cross multiply
    8,458,782.92x = 12,677,771.55 × 3,336,070.76
  4. Step 4: Simplify right side
    8,458,782.92x = 42,293,942,969,914.88
  5. Step 5: Solve for x
    x = 42,293,942,969,914.88/8,458,782.92
  6. Step 6: Final answer
    x = 5,000,003.35

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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.