Home / 23,121,168.48-31,906,785.60-12,807,665.28

Finding the Fourth Proportional to 23,121,168.48, 31,906,785.60 and 12,807,665.28

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Solution

The fourth proportional to 23,121,168.48, 31,906,785.60 and 12,807,665.28 is: 17,674,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121,168.48 : 31,906,785.60 = 12,807,665.28 : x
  2. Step 2: Convert to fraction form
    23,121,168.48/31,906,785.60 = 12,807,665.28/x
  3. Step 3: Cross multiply
    23,121,168.48x = 31,906,785.60 × 12,807,665.28
  4. Step 4: Simplify right side
    23,121,168.48x = 408,651,430,125,523.94
  5. Step 5: Solve for x
    x = 408,651,430,125,523.94/23,121,168.48
  6. Step 6: Final answer
    x = 17,674,341.61

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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.