Home / 15,365,046.06-21,204,191.34-8,489,973.42

Finding the Fourth Proportional to 15,365,046.06, 21,204,191.34 and 8,489,973.42

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Solution

The fourth proportional to 15,365,046.06, 21,204,191.34 and 8,489,973.42 is: 11,716,399.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,046.06 : 21,204,191.34 = 8,489,973.42 : x
  2. Step 2: Convert to fraction form
    15,365,046.06/21,204,191.34 = 8,489,973.42/x
  3. Step 3: Cross multiply
    15,365,046.06x = 21,204,191.34 × 8,489,973.42
  4. Step 4: Simplify right side
    15,365,046.06x = 180,023,020,869,194.19
  5. Step 5: Solve for x
    x = 180,023,020,869,194.19/15,365,046.06
  6. Step 6: Final answer
    x = 11,716,399.69

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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.