Home / 20,470,471.22-30,716,333.76-8,348,827.70

Finding the Fourth Proportional to 20,470,471.22, 30,716,333.76 and 8,348,827.70

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Solution

The fourth proportional to 20,470,471.22, 30,716,333.76 and 8,348,827.70 is: 12,527,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,471.22 : 30,716,333.76 = 8,348,827.70 : x
  2. Step 2: Convert to fraction form
    20,470,471.22/30,716,333.76 = 8,348,827.70/x
  3. Step 3: Cross multiply
    20,470,471.22x = 30,716,333.76 × 8,348,827.70
  4. Step 4: Simplify right side
    20,470,471.22x = 256,445,378,137,933.16
  5. Step 5: Solve for x
    x = 256,445,378,137,933.16/20,470,471.22
  6. Step 6: Final answer
    x = 12,527,575.72

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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.