Home / 23,122,684.48-31,906,979.10-12,807,480.28

Finding the Fourth Proportional to 23,122,684.48, 31,906,979.10 and 12,807,480.28

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Solution

The fourth proportional to 23,122,684.48, 31,906,979.10 and 12,807,480.28 is: 17,673,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122,684.48 : 31,906,979.10 = 12,807,480.28 : x
  2. Step 2: Convert to fraction form
    23,122,684.48/31,906,979.10 = 12,807,480.28/x
  3. Step 3: Cross multiply
    23,122,684.48x = 31,906,979.10 × 12,807,480.28
  4. Step 4: Simplify right side
    23,122,684.48x = 408,648,005,617,622.12
  5. Step 5: Solve for x
    x = 408,648,005,617,622.12/23,122,684.48
  6. Step 6: Final answer
    x = 17,673,034.72

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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.