Home / 14,132,701.80-21,199,052.70-12,715,525.80

Finding the Fourth Proportional to 14,132,701.80, 21,199,052.70 and 12,715,525.80

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Solution

The fourth proportional to 14,132,701.80, 21,199,052.70 and 12,715,525.80 is: 19,073,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132,701.80 : 21,199,052.70 = 12,715,525.80 : x
  2. Step 2: Convert to fraction form
    14,132,701.80/21,199,052.70 = 12,715,525.80/x
  3. Step 3: Cross multiply
    14,132,701.80x = 21,199,052.70 × 12,715,525.80
  4. Step 4: Simplify right side
    14,132,701.80x = 269,557,101,542,409.66
  5. Step 5: Solve for x
    x = 269,557,101,542,409.66/14,132,701.80
  6. Step 6: Final answer
    x = 19,073,288.70

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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.