Home / 21,955,665.56-30,288,882.48-13,251,055.64

Finding the Fourth Proportional to 21,955,665.56, 30,288,882.48 and 13,251,055.64

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Solution

The fourth proportional to 21,955,665.56, 30,288,882.48 and 13,251,055.64 is: 18,280,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955,665.56 : 30,288,882.48 = 13,251,055.64 : x
  2. Step 2: Convert to fraction form
    21,955,665.56/30,288,882.48 = 13,251,055.64/x
  3. Step 3: Cross multiply
    21,955,665.56x = 30,288,882.48 × 13,251,055.64
  4. Step 4: Simplify right side
    21,955,665.56x = 401,359,666,864,456.75
  5. Step 5: Solve for x
    x = 401,359,666,864,456.75/21,955,665.56
  6. Step 6: Final answer
    x = 18,280,460.04

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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.