Home / 12,855,344.68-17,748,686.10-7,965,755.56

Finding the Fourth Proportional to 12,855,344.68, 17,748,686.10 and 7,965,755.56

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Solution

The fourth proportional to 12,855,344.68, 17,748,686.10 and 7,965,755.56 is: 10,997,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,855,344.68 : 17,748,686.10 = 7,965,755.56 : x
  2. Step 2: Convert to fraction form
    12,855,344.68/17,748,686.10 = 7,965,755.56/x
  3. Step 3: Cross multiply
    12,855,344.68x = 17,748,686.10 × 7,965,755.56
  4. Step 4: Simplify right side
    12,855,344.68x = 141,381,694,983,769.72
  5. Step 5: Solve for x
    x = 141,381,694,983,769.72/12,855,344.68
  6. Step 6: Final answer
    x = 10,997,892.20

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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.