Home / 7,230,808.84-9,978,512.34-3,967,645

Finding the Fourth Proportional to 7,230,808.84, 9,978,512.34 and 3,967,645

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Solution

The fourth proportional to 7,230,808.84, 9,978,512.34 and 3,967,645 is: 5,475,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230,808.84 : 9,978,512.34 = 3,967,645 : x
  2. Step 2: Convert to fraction form
    7,230,808.84/9,978,512.34 = 3,967,645/x
  3. Step 3: Cross multiply
    7,230,808.84x = 9,978,512.34 × 3,967,645
  4. Step 4: Simplify right side
    7,230,808.84x = 39,591,194,593,239.30
  5. Step 5: Solve for x
    x = 39,591,194,593,239.30/7,230,808.84
  6. Step 6: Final answer
    x = 5,475,347.98

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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.