Home / 20,470,472.85-30,716,336.21-8,348,829.33

Finding the Fourth Proportional to 20,470,472.85, 30,716,336.21 and 8,348,829.33

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Solution

The fourth proportional to 20,470,472.85, 30,716,336.21 and 8,348,829.33 is: 12,527,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,472.85 : 30,716,336.21 = 8,348,829.33 : x
  2. Step 2: Convert to fraction form
    20,470,472.85/30,716,336.21 = 8,348,829.33/x
  3. Step 3: Cross multiply
    20,470,472.85x = 30,716,336.21 × 8,348,829.33
  4. Step 4: Simplify right side
    20,470,472.85x = 256,445,448,660,189.06
  5. Step 5: Solve for x
    x = 256,445,448,660,189.06/20,470,472.85
  6. Step 6: Final answer
    x = 12,527,578.16

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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.