Home / 29,808,112.80-44,712,169.20-21,148,759.20

Finding the Fourth Proportional to 29,808,112.80, 44,712,169.20 and 21,148,759.20

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Solution

The fourth proportional to 29,808,112.80, 44,712,169.20 and 21,148,759.20 is: 31,723,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808,112.80 : 44,712,169.20 = 21,148,759.20 : x
  2. Step 2: Convert to fraction form
    29,808,112.80/44,712,169.20 = 21,148,759.20/x
  3. Step 3: Cross multiply
    29,808,112.80x = 44,712,169.20 × 21,148,759.20
  4. Step 4: Simplify right side
    29,808,112.80x = 945,606,899,720,456.62
  5. Step 5: Solve for x
    x = 945,606,899,720,456.62/29,808,112.80
  6. Step 6: Final answer
    x = 31,723,138.80

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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.