Home / 12,105,926.55-18,158,889.83-4,429,556.55

Finding the Fourth Proportional to 12,105,926.55, 18,158,889.83 and 4,429,556.55

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Solution

The fourth proportional to 12,105,926.55, 18,158,889.83 and 4,429,556.55 is: 6,644,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,926.55 : 18,158,889.83 = 4,429,556.55 : x
  2. Step 2: Convert to fraction form
    12,105,926.55/18,158,889.83 = 4,429,556.55/x
  3. Step 3: Cross multiply
    12,105,926.55x = 18,158,889.83 × 4,429,556.55
  4. Step 4: Simplify right side
    12,105,926.55x = 80,435,829,365,057.09
  5. Step 5: Solve for x
    x = 80,435,829,365,057.09/12,105,926.55
  6. Step 6: Final answer
    x = 6,644,334.83

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Similar ratio
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1.5x scale

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.