Home / 12,096,426.20-18,144,639.30-10,864,707.80

Finding the Fourth Proportional to 12,096,426.20, 18,144,639.30 and 10,864,707.80

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Solution

The fourth proportional to 12,096,426.20, 18,144,639.30 and 10,864,707.80 is: 16,297,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,426.20 : 18,144,639.30 = 10,864,707.80 : x
  2. Step 2: Convert to fraction form
    12,096,426.20/18,144,639.30 = 10,864,707.80/x
  3. Step 3: Cross multiply
    12,096,426.20x = 18,144,639.30 × 10,864,707.80
  4. Step 4: Simplify right side
    12,096,426.20x = 197,136,204,130,896.56
  5. Step 5: Solve for x
    x = 197,136,204,130,896.56/12,096,426.20
  6. Step 6: Final answer
    x = 16,297,061.70

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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.