Home / 18,954,022.10-28,431,033.15-18,210,004.70

Finding the Fourth Proportional to 18,954,022.10, 28,431,033.15 and 18,210,004.70

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Solution

The fourth proportional to 18,954,022.10, 28,431,033.15 and 18,210,004.70 is: 27,315,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,022.10 : 28,431,033.15 = 18,210,004.70 : x
  2. Step 2: Convert to fraction form
    18,954,022.10/28,431,033.15 = 18,210,004.70/x
  3. Step 3: Cross multiply
    18,954,022.10x = 28,431,033.15 × 18,210,004.70
  4. Step 4: Simplify right side
    18,954,022.10x = 517,729,247,287,355.75
  5. Step 5: Solve for x
    x = 517,729,247,287,355.75/18,954,022.10
  6. Step 6: Final answer
    x = 27,315,007.05

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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.