Home / 38,732,468.56-53,449,638.40-21,328,907.56

Finding the Fourth Proportional to 38,732,468.56, 53,449,638.40 and 21,328,907.56

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Solution

The fourth proportional to 38,732,468.56, 53,449,638.40 and 21,328,907.56 is: 29,433,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732,468.56 : 53,449,638.40 = 21,328,907.56 : x
  2. Step 2: Convert to fraction form
    38,732,468.56/53,449,638.40 = 21,328,907.56/x
  3. Step 3: Cross multiply
    38,732,468.56x = 53,449,638.40 × 21,328,907.56
  4. Step 4: Simplify right side
    38,732,468.56x = 1,140,022,396,549,026.25
  5. Step 5: Solve for x
    x = 1,140,022,396,549,026.25/38,732,468.56
  6. Step 6: Final answer
    x = 29,433,249.13

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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.