Home / 13,785,959.70-20,669,363.46-6,105,419.22

Finding the Fourth Proportional to 13,785,959.70, 20,669,363.46 and 6,105,419.22

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Solution

The fourth proportional to 13,785,959.70, 20,669,363.46 and 6,105,419.22 is: 9,153,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,959.70 : 20,669,363.46 = 6,105,419.22 : x
  2. Step 2: Convert to fraction form
    13,785,959.70/20,669,363.46 = 6,105,419.22/x
  3. Step 3: Cross multiply
    13,785,959.70x = 20,669,363.46 × 6,105,419.22
  4. Step 4: Simplify right side
    13,785,959.70x = 126,195,128,933,849.70
  5. Step 5: Solve for x
    x = 126,195,128,933,849.70/13,785,959.70
  6. Step 6: Final answer
    x = 9,153,887.85

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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.