Home / 20,774,565.36-28,670,383.72-11,481,935.72

Finding the Fourth Proportional to 20,774,565.36, 28,670,383.72 and 11,481,935.72

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Solution

The fourth proportional to 20,774,565.36, 28,670,383.72 and 11,481,935.72 is: 15,845,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,565.36 : 28,670,383.72 = 11,481,935.72 : x
  2. Step 2: Convert to fraction form
    20,774,565.36/28,670,383.72 = 11,481,935.72/x
  3. Step 3: Cross multiply
    20,774,565.36x = 28,670,383.72 × 11,481,935.72
  4. Step 4: Simplify right side
    20,774,565.36x = 329,191,503,098,066.38
  5. Step 5: Solve for x
    x = 329,191,503,098,066.38/20,774,565.36
  6. Step 6: Final answer
    x = 15,845,891.23

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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.