Home / 13,144,121.70-19,683,004.95-8,631,968.10

Finding the Fourth Proportional to 13,144,121.70, 19,683,004.95 and 8,631,968.10

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Solution

The fourth proportional to 13,144,121.70, 19,683,004.95 and 8,631,968.10 is: 12,926,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144,121.70 : 19,683,004.95 = 8,631,968.10 : x
  2. Step 2: Convert to fraction form
    13,144,121.70/19,683,004.95 = 8,631,968.10/x
  3. Step 3: Cross multiply
    13,144,121.70x = 19,683,004.95 × 8,631,968.10
  4. Step 4: Simplify right side
    13,144,121.70x = 169,903,070,840,542.09
  5. Step 5: Solve for x
    x = 169,903,070,840,542.09/13,144,121.70
  6. Step 6: Final answer
    x = 12,926,163.86

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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.