Home / 15,619,236.48-21,554,381.88-8,743,775.04

Finding the Fourth Proportional to 15,619,236.48, 21,554,381.88 and 8,743,775.04

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Solution

The fourth proportional to 15,619,236.48, 21,554,381.88 and 8,743,775.04 is: 12,066,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619,236.48 : 21,554,381.88 = 8,743,775.04 : x
  2. Step 2: Convert to fraction form
    15,619,236.48/21,554,381.88 = 8,743,775.04/x
  3. Step 3: Cross multiply
    15,619,236.48x = 21,554,381.88 × 8,743,775.04
  4. Step 4: Simplify right side
    15,619,236.48x = 188,466,666,284,972.25
  5. Step 5: Solve for x
    x = 188,466,666,284,972.25/15,619,236.48
  6. Step 6: Final answer
    x = 12,066,317.49

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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.