Home / 28,458,493.59-39,272,675.97-15,405,749.04

Finding the Fourth Proportional to 28,458,493.59, 39,272,675.97 and 15,405,749.04

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Solution

The fourth proportional to 28,458,493.59, 39,272,675.97 and 15,405,749.04 is: 21,259,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,493.59 : 39,272,675.97 = 15,405,749.04 : x
  2. Step 2: Convert to fraction form
    28,458,493.59/39,272,675.97 = 15,405,749.04/x
  3. Step 3: Cross multiply
    28,458,493.59x = 39,272,675.97 × 15,405,749.04
  4. Step 4: Simplify right side
    28,458,493.59x = 605,024,990,123,058.50
  5. Step 5: Solve for x
    x = 605,024,990,123,058.50/28,458,493.59
  6. Step 6: Final answer
    x = 21,259,909.22

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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.