Home / 20,776,010.30-31,164,015.45-11,818,058.30

Finding the Fourth Proportional to 20,776,010.30, 31,164,015.45 and 11,818,058.30

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Solution

The fourth proportional to 20,776,010.30, 31,164,015.45 and 11,818,058.30 is: 17,727,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,010.30 : 31,164,015.45 = 11,818,058.30 : x
  2. Step 2: Convert to fraction form
    20,776,010.30/31,164,015.45 = 11,818,058.30/x
  3. Step 3: Cross multiply
    20,776,010.30x = 31,164,015.45 × 11,818,058.30
  4. Step 4: Simplify right side
    20,776,010.30x = 368,298,151,450,200.75
  5. Step 5: Solve for x
    x = 368,298,151,450,200.75/20,776,010.30
  6. Step 6: Final answer
    x = 17,727,087.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.