Home / 38,246,653.26-52,778,842.79-20,842,624.85

Finding the Fourth Proportional to 38,246,653.26, 52,778,842.79 and 20,842,624.85

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Solution

The fourth proportional to 38,246,653.26, 52,778,842.79 and 20,842,624.85 is: 28,761,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246,653.26 : 52,778,842.79 = 20,842,624.85 : x
  2. Step 2: Convert to fraction form
    38,246,653.26/52,778,842.79 = 20,842,624.85/x
  3. Step 3: Cross multiply
    38,246,653.26x = 52,778,842.79 × 20,842,624.85
  4. Step 4: Simplify right side
    38,246,653.26x = 1,100,049,619,920,989.88
  5. Step 5: Solve for x
    x = 1,100,049,619,920,989.88/38,246,653.26
  6. Step 6: Final answer
    x = 28,761,983.76

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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.