Home / 18,400,120.47-25,393,275.90-10,140,160.86

Finding the Fourth Proportional to 18,400,120.47, 25,393,275.90 and 10,140,160.86

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Solution

The fourth proportional to 18,400,120.47, 25,393,275.90 and 10,140,160.86 is: 13,994,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400,120.47 : 25,393,275.90 = 10,140,160.86 : x
  2. Step 2: Convert to fraction form
    18,400,120.47/25,393,275.90 = 10,140,160.86/x
  3. Step 3: Cross multiply
    18,400,120.47x = 25,393,275.90 × 10,140,160.86
  4. Step 4: Simplify right side
    18,400,120.47x = 257,491,902,388,361.25
  5. Step 5: Solve for x
    x = 257,491,902,388,361.25/18,400,120.47
  6. Step 6: Final answer
    x = 13,994,033.51

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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.