Home / 20,817,969.54-31,198,306.30-17,727,972.30

Finding the Fourth Proportional to 20,817,969.54, 31,198,306.30 and 17,727,972.30

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Solution

The fourth proportional to 20,817,969.54, 31,198,306.30 and 17,727,972.30 is: 26,567,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817,969.54 : 31,198,306.30 = 17,727,972.30 : x
  2. Step 2: Convert to fraction form
    20,817,969.54/31,198,306.30 = 17,727,972.30/x
  3. Step 3: Cross multiply
    20,817,969.54x = 31,198,306.30 × 17,727,972.30
  4. Step 4: Simplify right side
    20,817,969.54x = 553,082,709,893,315.50
  5. Step 5: Solve for x
    x = 553,082,709,893,315.50/20,817,969.54
  6. Step 6: Final answer
    x = 26,567,562.64

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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.