Home / 13,922,125.80-20,898,449.08-11,061,879.72

Finding the Fourth Proportional to 13,922,125.80, 20,898,449.08 and 11,061,879.72

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Solution

The fourth proportional to 13,922,125.80, 20,898,449.08 and 11,061,879.72 is: 16,604,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,125.80 : 20,898,449.08 = 11,061,879.72 : x
  2. Step 2: Convert to fraction form
    13,922,125.80/20,898,449.08 = 11,061,879.72/x
  3. Step 3: Cross multiply
    13,922,125.80x = 20,898,449.08 × 11,061,879.72
  4. Step 4: Simplify right side
    13,922,125.80x = 231,176,130,057,504.66
  5. Step 5: Solve for x
    x = 231,176,130,057,504.66/13,922,125.80
  6. Step 6: Final answer
    x = 16,604,944.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.