Home / 12,529,889.73-17,290,939.21-6,948,105.39

Finding the Fourth Proportional to 12,529,889.73, 17,290,939.21 and 6,948,105.39

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Solution

The fourth proportional to 12,529,889.73, 17,290,939.21 and 6,948,105.39 is: 9,588,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,889.73 : 17,290,939.21 = 6,948,105.39 : x
  2. Step 2: Convert to fraction form
    12,529,889.73/17,290,939.21 = 6,948,105.39/x
  3. Step 3: Cross multiply
    12,529,889.73x = 17,290,939.21 × 6,948,105.39
  4. Step 4: Simplify right side
    12,529,889.73x = 120,139,267,905,793.06
  5. Step 5: Solve for x
    x = 120,139,267,905,793.06/12,529,889.73
  6. Step 6: Final answer
    x = 9,588,214.30

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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.