Home / 12,117,136.10-18,144,211.35-9,576,716.90

Finding the Fourth Proportional to 12,117,136.10, 18,144,211.35 and 9,576,716.90

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Solution

The fourth proportional to 12,117,136.10, 18,144,211.35 and 9,576,716.90 is: 14,340,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,136.10 : 18,144,211.35 = 9,576,716.90 : x
  2. Step 2: Convert to fraction form
    12,117,136.10/18,144,211.35 = 9,576,716.90/x
  3. Step 3: Cross multiply
    12,117,136.10x = 18,144,211.35 × 9,576,716.90
  4. Step 4: Simplify right side
    12,117,136.10x = 173,761,975,472,716.84
  5. Step 5: Solve for x
    x = 173,761,975,472,716.84/12,117,136.10
  6. Step 6: Final answer
    x = 14,340,185.18

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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.