Home / 13,935,760-19,231,348.85-7,824,319.72

Finding the Fourth Proportional to 13,935,760, 19,231,348.85 and 7,824,319.72

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Solution

The fourth proportional to 13,935,760, 19,231,348.85 and 7,824,319.72 is: 10,797,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,760 : 19,231,348.85 = 7,824,319.72 : x
  2. Step 2: Convert to fraction form
    13,935,760/19,231,348.85 = 7,824,319.72/x
  3. Step 3: Cross multiply
    13,935,760x = 19,231,348.85 × 7,824,319.72
  4. Step 4: Simplify right side
    13,935,760x = 150,472,222,010,132.72
  5. Step 5: Solve for x
    x = 150,472,222,010,132.72/13,935,760
  6. Step 6: Final answer
    x = 10,797,561.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.