Home / 13,989,906.82-20,976,312.31-6,705,595.53

Finding the Fourth Proportional to 13,989,906.82, 20,976,312.31 and 6,705,595.53

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Solution

The fourth proportional to 13,989,906.82, 20,976,312.31 and 6,705,595.53 is: 10,054,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,906.82 : 20,976,312.31 = 6,705,595.53 : x
  2. Step 2: Convert to fraction form
    13,989,906.82/20,976,312.31 = 6,705,595.53/x
  3. Step 3: Cross multiply
    13,989,906.82x = 20,976,312.31 × 6,705,595.53
  4. Step 4: Simplify right side
    13,989,906.82x = 140,658,666,061,819.97
  5. Step 5: Solve for x
    x = 140,658,666,061,819.97/13,989,906.82
  6. Step 6: Final answer
    x = 10,054,296.13

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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.