Home / 30,721,859.70-46,082,789.55-27,639,501.90

Finding the Fourth Proportional to 30,721,859.70, 46,082,789.55 and 27,639,501.90

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Solution

The fourth proportional to 30,721,859.70, 46,082,789.55 and 27,639,501.90 is: 41,459,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721,859.70 : 46,082,789.55 = 27,639,501.90 : x
  2. Step 2: Convert to fraction form
    30,721,859.70/46,082,789.55 = 27,639,501.90/x
  3. Step 3: Cross multiply
    30,721,859.70x = 46,082,789.55 × 27,639,501.90
  4. Step 4: Simplify right side
    30,721,859.70x = 1,273,705,349,324,525
  5. Step 5: Solve for x
    x = 1,273,705,349,324,525/30,721,859.70
  6. Step 6: Final answer
    x = 41,459,252.85

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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.