Home / 17,331,961.56-23,943,021-13,842,719.20

Finding the Fourth Proportional to 17,331,961.56, 23,943,021 and 13,842,719.20

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Solution

The fourth proportional to 17,331,961.56, 23,943,021 and 13,842,719.20 is: 19,122,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331,961.56 : 23,943,021 = 13,842,719.20 : x
  2. Step 2: Convert to fraction form
    17,331,961.56/23,943,021 = 13,842,719.20/x
  3. Step 3: Cross multiply
    17,331,961.56x = 23,943,021 × 13,842,719.20
  4. Step 4: Simplify right side
    17,331,961.56x = 331,436,516,502,703.19
  5. Step 5: Solve for x
    x = 331,436,516,502,703.19/17,331,961.56
  6. Step 6: Final answer
    x = 19,122,850.89

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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.