Home / 13,470,981.73-20,219,247.46-8,337,884.45

Finding the Fourth Proportional to 13,470,981.73, 20,219,247.46 and 8,337,884.45

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Solution

The fourth proportional to 13,470,981.73, 20,219,247.46 and 8,337,884.45 is: 12,514,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470,981.73 : 20,219,247.46 = 8,337,884.45 : x
  2. Step 2: Convert to fraction form
    13,470,981.73/20,219,247.46 = 8,337,884.45/x
  3. Step 3: Cross multiply
    13,470,981.73x = 20,219,247.46 × 8,337,884.45
  4. Step 4: Simplify right side
    13,470,981.73x = 168,585,748,957,732.56
  5. Step 5: Solve for x
    x = 168,585,748,957,732.56/13,470,981.73
  6. Step 6: Final answer
    x = 12,514,733.70

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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.