Home / 12,096,136.40-18,144,204.60-7,309,230.80

Finding the Fourth Proportional to 12,096,136.40, 18,144,204.60 and 7,309,230.80

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Solution

The fourth proportional to 12,096,136.40, 18,144,204.60 and 7,309,230.80 is: 10,963,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,136.40 : 18,144,204.60 = 7,309,230.80 : x
  2. Step 2: Convert to fraction form
    12,096,136.40/18,144,204.60 = 7,309,230.80/x
  3. Step 3: Cross multiply
    12,096,136.40x = 18,144,204.60 × 7,309,230.80
  4. Step 4: Simplify right side
    12,096,136.40x = 132,620,179,103,821.69
  5. Step 5: Solve for x
    x = 132,620,179,103,821.69/12,096,136.40
  6. Step 6: Final answer
    x = 10,963,846.20

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1.5x scale

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.