Home / 21,580,343.46-29,780,526.42-11,790,577.44

Finding the Fourth Proportional to 21,580,343.46, 29,780,526.42 and 11,790,577.44

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Solution

The fourth proportional to 21,580,343.46, 29,780,526.42 and 11,790,577.44 is: 16,270,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,343.46 : 29,780,526.42 = 11,790,577.44 : x
  2. Step 2: Convert to fraction form
    21,580,343.46/29,780,526.42 = 11,790,577.44/x
  3. Step 3: Cross multiply
    21,580,343.46x = 29,780,526.42 × 11,790,577.44
  4. Step 4: Simplify right side
    21,580,343.46x = 351,129,602,988,452.38
  5. Step 5: Solve for x
    x = 351,129,602,988,452.38/21,580,343.46
  6. Step 6: Final answer
    x = 16,270,806.98

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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.