Home / 25,899,021.80-38,848,532.70-12,462,093.80

Finding the Fourth Proportional to 25,899,021.80, 38,848,532.70 and 12,462,093.80

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Solution

The fourth proportional to 25,899,021.80, 38,848,532.70 and 12,462,093.80 is: 18,693,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899,021.80 : 38,848,532.70 = 12,462,093.80 : x
  2. Step 2: Convert to fraction form
    25,899,021.80/38,848,532.70 = 12,462,093.80/x
  3. Step 3: Cross multiply
    25,899,021.80x = 38,848,532.70 × 12,462,093.80
  4. Step 4: Simplify right side
    25,899,021.80x = 484,134,058,499,767.31
  5. Step 5: Solve for x
    x = 484,134,058,499,767.31/25,899,021.80
  6. Step 6: Final answer
    x = 18,693,140.70

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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.