Home / 21,478,046.45-29,645,949.83-14,036,827.86

Finding the Fourth Proportional to 21,478,046.45, 29,645,949.83 and 14,036,827.86

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Solution

The fourth proportional to 21,478,046.45, 29,645,949.83 and 14,036,827.86 is: 19,374,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,478,046.45 : 29,645,949.83 = 14,036,827.86 : x
  2. Step 2: Convert to fraction form
    21,478,046.45/29,645,949.83 = 14,036,827.86/x
  3. Step 3: Cross multiply
    21,478,046.45x = 29,645,949.83 × 14,036,827.86
  4. Step 4: Simplify right side
    21,478,046.45x = 416,135,094,439,722.12
  5. Step 5: Solve for x
    x = 416,135,094,439,722.12/21,478,046.45
  6. Step 6: Final answer
    x = 19,374,904.30

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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.