Home / 12,186,536.91-16,819,143.69-7,541,818.71

Finding the Fourth Proportional to 12,186,536.91, 16,819,143.69 and 7,541,818.71

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Solution

The fourth proportional to 12,186,536.91, 16,819,143.69 and 7,541,818.71 is: 10,408,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,536.91 : 16,819,143.69 = 7,541,818.71 : x
  2. Step 2: Convert to fraction form
    12,186,536.91/16,819,143.69 = 7,541,818.71/x
  3. Step 3: Cross multiply
    12,186,536.91x = 16,819,143.69 × 7,541,818.71
  4. Step 4: Simplify right side
    12,186,536.91x = 126,846,932,567,420.45
  5. Step 5: Solve for x
    x = 126,846,932,567,420.45/12,186,536.91
  6. Step 6: Final answer
    x = 10,408,775.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.