Home / 15,216,204.16-20,986,117.68-13,376,729.44

Finding the Fourth Proportional to 15,216,204.16, 20,986,117.68 and 13,376,729.44

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Solution

The fourth proportional to 15,216,204.16, 20,986,117.68 and 13,376,729.44 is: 18,449,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216,204.16 : 20,986,117.68 = 13,376,729.44 : x
  2. Step 2: Convert to fraction form
    15,216,204.16/20,986,117.68 = 13,376,729.44/x
  3. Step 3: Cross multiply
    15,216,204.16x = 20,986,117.68 × 13,376,729.44
  4. Step 4: Simplify right side
    15,216,204.16x = 280,725,618,201,360.47
  5. Step 5: Solve for x
    x = 280,725,618,201,360.47/15,216,204.16
  6. Step 6: Final answer
    x = 18,449,122.74

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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.