Home / 27,085,489.34-40,604,318.84-20,724,140.56

Finding the Fourth Proportional to 27,085,489.34, 40,604,318.84 and 20,724,140.56

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Solution

The fourth proportional to 27,085,489.34, 40,604,318.84 and 20,724,140.56 is: 31,067,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085,489.34 : 40,604,318.84 = 20,724,140.56 : x
  2. Step 2: Convert to fraction form
    27,085,489.34/40,604,318.84 = 20,724,140.56/x
  3. Step 3: Cross multiply
    27,085,489.34x = 40,604,318.84 × 20,724,140.56
  4. Step 4: Simplify right side
    27,085,489.34x = 841,489,610,983,216.12
  5. Step 5: Solve for x
    x = 841,489,610,983,216.12/27,085,489.34
  6. Step 6: Final answer
    x = 31,067,912.43

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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.