Home / 11,686,877.13-16,127,608.92-6,388,336.56

Finding the Fourth Proportional to 11,686,877.13, 16,127,608.92 and 6,388,336.56

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Solution

The fourth proportional to 11,686,877.13, 16,127,608.92 and 6,388,336.56 is: 8,815,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686,877.13 : 16,127,608.92 = 6,388,336.56 : x
  2. Step 2: Convert to fraction form
    11,686,877.13/16,127,608.92 = 6,388,336.56/x
  3. Step 3: Cross multiply
    11,686,877.13x = 16,127,608.92 × 6,388,336.56
  4. Step 4: Simplify right side
    11,686,877.13x = 103,028,593,689,018.11
  5. Step 5: Solve for x
    x = 103,028,593,689,018.11/11,686,877.13
  6. Step 6: Final answer
    x = 8,815,750.57

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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.