Home / 38,388,127.73-52,975,620.25-20,984,543.87

Finding the Fourth Proportional to 38,388,127.73, 52,975,620.25 and 20,984,543.87

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Solution

The fourth proportional to 38,388,127.73, 52,975,620.25 and 20,984,543.87 is: 28,958,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388,127.73 : 52,975,620.25 = 20,984,543.87 : x
  2. Step 2: Convert to fraction form
    38,388,127.73/52,975,620.25 = 20,984,543.87/x
  3. Step 3: Cross multiply
    38,388,127.73x = 52,975,620.25 × 20,984,543.87
  4. Step 4: Simplify right side
    38,388,127.73x = 1,111,669,226,859,245.88
  5. Step 5: Solve for x
    x = 1,111,669,226,859,245.88/38,388,127.73
  6. Step 6: Final answer
    x = 28,958,672.71

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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.