Home / 12,252,716.70-16,913,982.50-8,722,792.05

Finding the Fourth Proportional to 12,252,716.70, 16,913,982.50 and 8,722,792.05

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Solution

The fourth proportional to 12,252,716.70, 16,913,982.50 and 8,722,792.05 is: 12,041,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,716.70 : 16,913,982.50 = 8,722,792.05 : x
  2. Step 2: Convert to fraction form
    12,252,716.70/16,913,982.50 = 8,722,792.05/x
  3. Step 3: Cross multiply
    12,252,716.70x = 16,913,982.50 × 8,722,792.05
  4. Step 4: Simplify right side
    12,252,716.70x = 147,537,152,084,839.12
  5. Step 5: Solve for x
    x = 147,537,152,084,839.12/12,252,716.70
  6. Step 6: Final answer
    x = 12,041,178.76

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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.