Home / 23,124,758.40-31,860,778.41-15,270,322.86

Finding the Fourth Proportional to 23,124,758.40, 31,860,778.41 and 15,270,322.86

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Solution

The fourth proportional to 23,124,758.40, 31,860,778.41 and 15,270,322.86 is: 21,039,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124,758.40 : 31,860,778.41 = 15,270,322.86 : x
  2. Step 2: Convert to fraction form
    23,124,758.40/31,860,778.41 = 15,270,322.86/x
  3. Step 3: Cross multiply
    23,124,758.40x = 31,860,778.41 × 15,270,322.86
  4. Step 4: Simplify right side
    23,124,758.40x = 486,524,372,891,617.44
  5. Step 5: Solve for x
    x = 486,524,372,891,617.44/23,124,758.40
  6. Step 6: Final answer
    x = 21,039,111.61

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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.