Home / 18,992,413-26,209,493.31-10,290,821.14

Finding the Fourth Proportional to 18,992,413, 26,209,493.31 and 10,290,821.14

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Solution

The fourth proportional to 18,992,413, 26,209,493.31 and 10,290,821.14 is: 14,201,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992,413 : 26,209,493.31 = 10,290,821.14 : x
  2. Step 2: Convert to fraction form
    18,992,413/26,209,493.31 = 10,290,821.14/x
  3. Step 3: Cross multiply
    18,992,413x = 26,209,493.31 × 10,290,821.14
  4. Step 4: Simplify right side
    18,992,413x = 269,717,207,823,236.56
  5. Step 5: Solve for x
    x = 269,717,207,823,236.56/18,992,413
  6. Step 6: Final answer
    x = 14,201,313.33

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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.