Home / 18,665,387.20-25,758,228.48-10,080,683.20

Finding the Fourth Proportional to 18,665,387.20, 25,758,228.48 and 10,080,683.20

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Solution

The fourth proportional to 18,665,387.20, 25,758,228.48 and 10,080,683.20 is: 13,911,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,387.20 : 25,758,228.48 = 10,080,683.20 : x
  2. Step 2: Convert to fraction form
    18,665,387.20/25,758,228.48 = 10,080,683.20/x
  3. Step 3: Cross multiply
    18,665,387.20x = 25,758,228.48 × 10,080,683.20
  4. Step 4: Simplify right side
    18,665,387.20x = 259,660,541,100,097.53
  5. Step 5: Solve for x
    x = 259,660,541,100,097.53/18,665,387.20
  6. Step 6: Final answer
    x = 13,911,339.65

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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.