Home / 13,693,105.92-18,897,076.53-7,581,534.42

Finding the Fourth Proportional to 13,693,105.92, 18,897,076.53 and 7,581,534.42

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Solution

The fourth proportional to 13,693,105.92, 18,897,076.53 and 7,581,534.42 is: 10,462,844.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,105.92 : 18,897,076.53 = 7,581,534.42 : x
  2. Step 2: Convert to fraction form
    13,693,105.92/18,897,076.53 = 7,581,534.42/x
  3. Step 3: Cross multiply
    13,693,105.92x = 18,897,076.53 × 7,581,534.42
  4. Step 4: Simplify right side
    13,693,105.92x = 143,268,836,149,569.16
  5. Step 5: Solve for x
    x = 143,268,836,149,569.16/13,693,105.92
  6. Step 6: Final answer
    x = 10,462,844.37

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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.