Home / 6,623,712.72-9,928,428.53-3,204,775.62

Finding the Fourth Proportional to 6,623,712.72, 9,928,428.53 and 3,204,775.62

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Solution

The fourth proportional to 6,623,712.72, 9,928,428.53 and 3,204,775.62 is: 4,803,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623,712.72 : 9,928,428.53 = 3,204,775.62 : x
  2. Step 2: Convert to fraction form
    6,623,712.72/9,928,428.53 = 3,204,775.62/x
  3. Step 3: Cross multiply
    6,623,712.72x = 9,928,428.53 × 3,204,775.62
  4. Step 4: Simplify right side
    6,623,712.72x = 31,818,385,681,832.56
  5. Step 5: Solve for x
    x = 31,818,385,681,832.56/6,623,712.72
  6. Step 6: Final answer
    x = 4,803,708.59

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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.