Home / 23,176,745.78-31,985,525.76-15,322,612.15

Finding the Fourth Proportional to 23,176,745.78, 31,985,525.76 and 15,322,612.15

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Solution

The fourth proportional to 23,176,745.78, 31,985,525.76 and 15,322,612.15 is: 21,146,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176,745.78 : 31,985,525.76 = 15,322,612.15 : x
  2. Step 2: Convert to fraction form
    23,176,745.78/31,985,525.76 = 15,322,612.15/x
  3. Step 3: Cross multiply
    23,176,745.78x = 31,985,525.76 × 15,322,612.15
  4. Step 4: Simplify right side
    23,176,745.78x = 490,101,805,634,314
  5. Step 5: Solve for x
    x = 490,101,805,634,314/23,176,745.78
  6. Step 6: Final answer
    x = 21,146,273.52

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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.