Home / 27,648,105.80-41,472,158.70-18,988,752.20

Finding the Fourth Proportional to 27,648,105.80, 41,472,158.70 and 18,988,752.20

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Solution

The fourth proportional to 27,648,105.80, 41,472,158.70 and 18,988,752.20 is: 28,483,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648,105.80 : 41,472,158.70 = 18,988,752.20 : x
  2. Step 2: Convert to fraction form
    27,648,105.80/41,472,158.70 = 18,988,752.20/x
  3. Step 3: Cross multiply
    27,648,105.80x = 41,472,158.70 × 18,988,752.20
  4. Step 4: Simplify right side
    27,648,105.80x = 787,504,544,753,374.12
  5. Step 5: Solve for x
    x = 787,504,544,753,374.12/27,648,105.80
  6. Step 6: Final answer
    x = 28,483,128.30

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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.