Home / 27,648,109.80-41,472,164.70-18,988,756.20

Finding the Fourth Proportional to 27,648,109.80, 41,472,164.70 and 18,988,756.20

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Solution

The fourth proportional to 27,648,109.80, 41,472,164.70 and 18,988,756.20 is: 28,483,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648,109.80 : 41,472,164.70 = 18,988,756.20 : x
  2. Step 2: Convert to fraction form
    27,648,109.80/41,472,164.70 = 18,988,756.20/x
  3. Step 3: Cross multiply
    27,648,109.80x = 41,472,164.70 × 18,988,756.20
  4. Step 4: Simplify right side
    27,648,109.80x = 787,504,824,574,546.12
  5. Step 5: Solve for x
    x = 787,504,824,574,546.12/27,648,109.80
  6. Step 6: Final answer
    x = 28,483,134.30

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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.