Home / 12,183,367.10-16,811,230.12-7,541,820.86

Finding the Fourth Proportional to 12,183,367.10, 16,811,230.12 and 7,541,820.86

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Solution

The fourth proportional to 12,183,367.10, 16,811,230.12 and 7,541,820.86 is: 10,406,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,367.10 : 16,811,230.12 = 7,541,820.86 : x
  2. Step 2: Convert to fraction form
    12,183,367.10/16,811,230.12 = 7,541,820.86/x
  3. Step 3: Cross multiply
    12,183,367.10x = 16,811,230.12 × 7,541,820.86
  4. Step 4: Simplify right side
    12,183,367.10x = 126,787,285,898,365.61
  5. Step 5: Solve for x
    x = 126,787,285,898,365.61/12,183,367.10
  6. Step 6: Final answer
    x = 10,406,588.34

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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.