Home / 7,230,813.84-9,978,519.24-3,967,650

Finding the Fourth Proportional to 7,230,813.84, 9,978,519.24 and 3,967,650

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Solution

The fourth proportional to 7,230,813.84, 9,978,519.24 and 3,967,650 is: 5,475,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230,813.84 : 9,978,519.24 = 3,967,650 : x
  2. Step 2: Convert to fraction form
    7,230,813.84/9,978,519.24 = 3,967,650/x
  3. Step 3: Cross multiply
    7,230,813.84x = 9,978,519.24 × 3,967,650
  4. Step 4: Simplify right side
    7,230,813.84x = 39,591,271,862,586
  5. Step 5: Solve for x
    x = 39,591,271,862,586/7,230,813.84
  6. Step 6: Final answer
    x = 5,475,354.88

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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.