Home / 20,470,471.85-30,716,334.71-8,348,828.33

Finding the Fourth Proportional to 20,470,471.85, 30,716,334.71 and 8,348,828.33

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Solution

The fourth proportional to 20,470,471.85, 30,716,334.71 and 8,348,828.33 is: 12,527,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,471.85 : 30,716,334.71 = 8,348,828.33 : x
  2. Step 2: Convert to fraction form
    20,470,471.85/30,716,334.71 = 8,348,828.33/x
  3. Step 3: Cross multiply
    20,470,471.85x = 30,716,334.71 × 8,348,828.33
  4. Step 4: Simplify right side
    20,470,471.85x = 256,445,405,420,610.34
  5. Step 5: Solve for x
    x = 256,445,405,420,610.34/20,470,471.85
  6. Step 6: Final answer
    x = 12,527,576.66

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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.