Home / 15,790,902.41-21,779,446.35-13,589,426.60

Finding the Fourth Proportional to 15,790,902.41, 21,779,446.35 and 13,589,426.60

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Solution

The fourth proportional to 15,790,902.41, 21,779,446.35 and 13,589,426.60 is: 18,743,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,902.41 : 21,779,446.35 = 13,589,426.60 : x
  2. Step 2: Convert to fraction form
    15,790,902.41/21,779,446.35 = 13,589,426.60/x
  3. Step 3: Cross multiply
    15,790,902.41x = 21,779,446.35 × 13,589,426.60
  4. Step 4: Simplify right side
    15,790,902.41x = 295,970,187,585,699
  5. Step 5: Solve for x
    x = 295,970,187,585,699/15,790,902.41
  6. Step 6: Final answer
    x = 18,743,082.56

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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.