Home / 20,155,916.72-30,227,673.72-5,775,131.36

Finding the Fourth Proportional to 20,155,916.72, 30,227,673.72 and 5,775,131.36

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Solution

The fourth proportional to 20,155,916.72, 30,227,673.72 and 5,775,131.36 is: 8,660,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,916.72 : 30,227,673.72 = 5,775,131.36 : x
  2. Step 2: Convert to fraction form
    20,155,916.72/30,227,673.72 = 5,775,131.36/x
  3. Step 3: Cross multiply
    20,155,916.72x = 30,227,673.72 × 5,775,131.36
  4. Step 4: Simplify right side
    20,155,916.72x = 174,568,786,440,219.88
  5. Step 5: Solve for x
    x = 174,568,786,440,219.88/20,155,916.72
  6. Step 6: Final answer
    x = 8,660,920.21

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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.