Home / 13,989,905.82-20,976,310.81-6,705,594.53

Finding the Fourth Proportional to 13,989,905.82, 20,976,310.81 and 6,705,594.53

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Solution

The fourth proportional to 13,989,905.82, 20,976,310.81 and 6,705,594.53 is: 10,054,294.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,905.82 : 20,976,310.81 = 6,705,594.53 : x
  2. Step 2: Convert to fraction form
    13,989,905.82/20,976,310.81 = 6,705,594.53/x
  3. Step 3: Cross multiply
    13,989,905.82x = 20,976,310.81 × 6,705,594.53
  4. Step 4: Simplify right side
    13,989,905.82x = 140,658,635,048,208.72
  5. Step 5: Solve for x
    x = 140,658,635,048,208.72/13,989,905.82
  6. Step 6: Final answer
    x = 10,054,294.63

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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.