Home / 20,469,051.74-30,693,309.55-6,817,398.62

Finding the Fourth Proportional to 20,469,051.74, 30,693,309.55 and 6,817,398.62

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Solution

The fourth proportional to 20,469,051.74, 30,693,309.55 and 6,817,398.62 is: 10,222,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,051.74 : 30,693,309.55 = 6,817,398.62 : x
  2. Step 2: Convert to fraction form
    20,469,051.74/30,693,309.55 = 6,817,398.62/x
  3. Step 3: Cross multiply
    20,469,051.74x = 30,693,309.55 × 6,817,398.62
  4. Step 4: Simplify right side
    20,469,051.74x = 209,248,525,998,892.78
  5. Step 5: Solve for x
    x = 209,248,525,998,892.78/20,469,051.74
  6. Step 6: Final answer
    x = 10,222,678.05

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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.