Home / 38,732,467.31-53,449,636.68-21,328,906.31

Finding the Fourth Proportional to 38,732,467.31, 53,449,636.68 and 21,328,906.31

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Solution

The fourth proportional to 38,732,467.31, 53,449,636.68 and 21,328,906.31 is: 29,433,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732,467.31 : 53,449,636.68 = 21,328,906.31 : x
  2. Step 2: Convert to fraction form
    38,732,467.31/53,449,636.68 = 21,328,906.31/x
  3. Step 3: Cross multiply
    38,732,467.31x = 53,449,636.68 × 21,328,906.31
  4. Step 4: Simplify right side
    38,732,467.31x = 1,140,022,292,784,011.25
  5. Step 5: Solve for x
    x = 1,140,022,292,784,011.25/38,732,467.31
  6. Step 6: Final answer
    x = 29,433,247.40

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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.