Home / 20,649,006.57-30,945,608.42-7,862,536.11

Finding the Fourth Proportional to 20,649,006.57, 30,945,608.42 and 7,862,536.11

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Solution

The fourth proportional to 20,649,006.57, 30,945,608.42 and 7,862,536.11 is: 11,783,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649,006.57 : 30,945,608.42 = 7,862,536.11 : x
  2. Step 2: Convert to fraction form
    20,649,006.57/30,945,608.42 = 7,862,536.11/x
  3. Step 3: Cross multiply
    20,649,006.57x = 30,945,608.42 × 7,862,536.11
  4. Step 4: Simplify right side
    20,649,006.57x = 243,310,963,724,903.38
  5. Step 5: Solve for x
    x = 243,310,963,724,903.38/20,649,006.57
  6. Step 6: Final answer
    x = 11,783,180.12

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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.