Home / 38,850,567.12-53,612,377.36-21,446,538.64

Finding the Fourth Proportional to 38,850,567.12, 53,612,377.36 and 21,446,538.64

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Solution

The fourth proportional to 38,850,567.12, 53,612,377.36 and 21,446,538.64 is: 29,595,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,850,567.12 : 53,612,377.36 = 21,446,538.64 : x
  2. Step 2: Convert to fraction form
    38,850,567.12/53,612,377.36 = 21,446,538.64/x
  3. Step 3: Cross multiply
    38,850,567.12x = 53,612,377.36 × 21,446,538.64
  4. Step 4: Simplify right side
    38,850,567.12x = 1,149,799,922,633,501.25
  5. Step 5: Solve for x
    x = 1,149,799,922,633,501.25/38,850,567.12
  6. Step 6: Final answer
    x = 29,595,447.58

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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.