Home / 16,470,139.48-22,728,794.64-9,128,446.61

Finding the Fourth Proportional to 16,470,139.48, 22,728,794.64 and 9,128,446.61

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Solution

The fourth proportional to 16,470,139.48, 22,728,794.64 and 9,128,446.61 is: 12,597,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470,139.48 : 22,728,794.64 = 9,128,446.61 : x
  2. Step 2: Convert to fraction form
    16,470,139.48/22,728,794.64 = 9,128,446.61/x
  3. Step 3: Cross multiply
    16,470,139.48x = 22,728,794.64 × 9,128,446.61
  4. Step 4: Simplify right side
    16,470,139.48x = 207,478,588,380,894.16
  5. Step 5: Solve for x
    x = 207,478,588,380,894.16/16,470,139.48
  6. Step 6: Final answer
    x = 12,597,257.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.