Home / 20,470,471.86-30,716,334.71-8,348,828.34

Finding the Fourth Proportional to 20,470,471.86, 30,716,334.71 and 8,348,828.34

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Solution

The fourth proportional to 20,470,471.86, 30,716,334.71 and 8,348,828.34 is: 12,527,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,471.86 : 30,716,334.71 = 8,348,828.34 : x
  2. Step 2: Convert to fraction form
    20,470,471.86/30,716,334.71 = 8,348,828.34/x
  3. Step 3: Cross multiply
    20,470,471.86x = 30,716,334.71 × 8,348,828.34
  4. Step 4: Simplify right side
    20,470,471.86x = 256,445,405,727,773.69
  5. Step 5: Solve for x
    x = 256,445,405,727,773.69/20,470,471.86
  6. Step 6: Final answer
    x = 12,527,576.67

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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.