Home / 16,707,072.80-25,060,609.20-12,455,544.80

Finding the Fourth Proportional to 16,707,072.80, 25,060,609.20 and 12,455,544.80

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Solution

The fourth proportional to 16,707,072.80, 25,060,609.20 and 12,455,544.80 is: 18,683,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,707,072.80 : 25,060,609.20 = 12,455,544.80 : x
  2. Step 2: Convert to fraction form
    16,707,072.80/25,060,609.20 = 12,455,544.80/x
  3. Step 3: Cross multiply
    16,707,072.80x = 25,060,609.20 × 12,455,544.80
  4. Step 4: Simplify right side
    16,707,072.80x = 312,143,540,605,892.19
  5. Step 5: Solve for x
    x = 312,143,540,605,892.19/16,707,072.80
  6. Step 6: Final answer
    x = 18,683,317.20

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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.