Home / 13,406,935.31-20,116,587.83-6,122,628.09

Finding the Fourth Proportional to 13,406,935.31, 20,116,587.83 and 6,122,628.09

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Solution

The fourth proportional to 13,406,935.31, 20,116,587.83 and 6,122,628.09 is: 9,186,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406,935.31 : 20,116,587.83 = 6,122,628.09 : x
  2. Step 2: Convert to fraction form
    13,406,935.31/20,116,587.83 = 6,122,628.09/x
  3. Step 3: Cross multiply
    13,406,935.31x = 20,116,587.83 × 6,122,628.09
  4. Step 4: Simplify right side
    13,406,935.31x = 123,166,385,722,910.12
  5. Step 5: Solve for x
    x = 123,166,385,722,910.12/13,406,935.31
  6. Step 6: Final answer
    x = 9,186,766.62

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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.