Home / 14,661,067.76-20,232,954.96-9,157,700.96

Finding the Fourth Proportional to 14,661,067.76, 20,232,954.96 and 9,157,700.96

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Solution

The fourth proportional to 14,661,067.76, 20,232,954.96 and 9,157,700.96 is: 12,638,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661,067.76 : 20,232,954.96 = 9,157,700.96 : x
  2. Step 2: Convert to fraction form
    14,661,067.76/20,232,954.96 = 9,157,700.96/x
  3. Step 3: Cross multiply
    14,661,067.76x = 20,232,954.96 × 9,157,700.96
  4. Step 4: Simplify right side
    14,661,067.76x = 185,287,351,060,828.78
  5. Step 5: Solve for x
    x = 185,287,351,060,828.78/14,661,067.76
  6. Step 6: Final answer
    x = 12,638,052.98

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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.