Home / 19,665,550.60-27,129,850.47-18,753,797.13

Finding the Fourth Proportional to 19,665,550.60, 27,129,850.47 and 18,753,797.13

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Solution

The fourth proportional to 19,665,550.60, 27,129,850.47 and 18,753,797.13 is: 25,872,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665,550.60 : 27,129,850.47 = 18,753,797.13 : x
  2. Step 2: Convert to fraction form
    19,665,550.60/27,129,850.47 = 18,753,797.13/x
  3. Step 3: Cross multiply
    19,665,550.60x = 27,129,850.47 × 18,753,797.13
  4. Step 4: Simplify right side
    19,665,550.60x = 508,787,711,881,615.12
  5. Step 5: Solve for x
    x = 508,787,711,881,615.12/19,665,550.60
  6. Step 6: Final answer
    x = 25,872,029.84

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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.