Home / 21,883,164.10-30,202,939.32-14,427,735.78

Finding the Fourth Proportional to 21,883,164.10, 30,202,939.32 and 14,427,735.78

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Solution

The fourth proportional to 21,883,164.10, 30,202,939.32 and 14,427,735.78 is: 19,913,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883,164.10 : 30,202,939.32 = 14,427,735.78 : x
  2. Step 2: Convert to fraction form
    21,883,164.10/30,202,939.32 = 14,427,735.78/x
  3. Step 3: Cross multiply
    21,883,164.10x = 30,202,939.32 × 14,427,735.78
  4. Step 4: Simplify right side
    21,883,164.10x = 435,760,028,288,332.88
  5. Step 5: Solve for x
    x = 435,760,028,288,332.88/21,883,164.10
  6. Step 6: Final answer
    x = 19,913,026.58

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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.