Home / 13,056,353.76-18,012,178.56-8,153,063.22

Finding the Fourth Proportional to 13,056,353.76, 18,012,178.56 and 8,153,063.22

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Solution

The fourth proportional to 13,056,353.76, 18,012,178.56 and 8,153,063.22 is: 11,247,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056,353.76 : 18,012,178.56 = 8,153,063.22 : x
  2. Step 2: Convert to fraction form
    13,056,353.76/18,012,178.56 = 8,153,063.22/x
  3. Step 3: Cross multiply
    13,056,353.76x = 18,012,178.56 × 8,153,063.22
  4. Step 4: Simplify right side
    13,056,353.76x = 146,854,430,529,608.56
  5. Step 5: Solve for x
    x = 146,854,430,529,608.56/13,056,353.76
  6. Step 6: Final answer
    x = 11,247,736.79

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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.