Home / 20,236,828.10-30,344,744.55-7,450,751.30

Finding the Fourth Proportional to 20,236,828.10, 30,344,744.55 and 7,450,751.30

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Solution

The fourth proportional to 20,236,828.10, 30,344,744.55 and 7,450,751.30 is: 11,172,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,828.10 : 30,344,744.55 = 7,450,751.30 : x
  2. Step 2: Convert to fraction form
    20,236,828.10/30,344,744.55 = 7,450,751.30/x
  3. Step 3: Cross multiply
    20,236,828.10x = 30,344,744.55 × 7,450,751.30
  4. Step 4: Simplify right side
    20,236,828.10x = 226,091,144,904,080.41
  5. Step 5: Solve for x
    x = 226,091,144,904,080.41/20,236,828.10
  6. Step 6: Final answer
    x = 11,172,261.97

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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.