Home / 18,728,516.20-25,847,449.86-10,580,279.08

Finding the Fourth Proportional to 18,728,516.20, 25,847,449.86 and 10,580,279.08

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Solution

The fourth proportional to 18,728,516.20, 25,847,449.86 and 10,580,279.08 is: 14,601,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728,516.20 : 25,847,449.86 = 10,580,279.08 : x
  2. Step 2: Convert to fraction form
    18,728,516.20/25,847,449.86 = 10,580,279.08/x
  3. Step 3: Cross multiply
    18,728,516.20x = 25,847,449.86 × 10,580,279.08
  4. Step 4: Simplify right side
    18,728,516.20x = 273,473,233,025,106.94
  5. Step 5: Solve for x
    x = 273,473,233,025,106.94/18,728,516.20
  6. Step 6: Final answer
    x = 14,601,970.07

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1.5x scale

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.