Home / 14,688,382.68-20,269,563.66-8,161,843.32

Finding the Fourth Proportional to 14,688,382.68, 20,269,563.66 and 8,161,843.32

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Solution

The fourth proportional to 14,688,382.68, 20,269,563.66 and 8,161,843.32 is: 11,263,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688,382.68 : 20,269,563.66 = 8,161,843.32 : x
  2. Step 2: Convert to fraction form
    14,688,382.68/20,269,563.66 = 8,161,843.32/x
  3. Step 3: Cross multiply
    14,688,382.68x = 20,269,563.66 × 8,161,843.32
  4. Step 4: Simplify right side
    14,688,382.68x = 165,437,002,757,685.75
  5. Step 5: Solve for x
    x = 165,437,002,757,685.75/14,688,382.68
  6. Step 6: Final answer
    x = 11,263,119.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.