Home / 14,381,719.47-19,846,654.92-7,855,353.03

Finding the Fourth Proportional to 14,381,719.47, 19,846,654.92 and 7,855,353.03

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Solution

The fourth proportional to 14,381,719.47, 19,846,654.92 and 7,855,353.03 is: 10,840,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381,719.47 : 19,846,654.92 = 7,855,353.03 : x
  2. Step 2: Convert to fraction form
    14,381,719.47/19,846,654.92 = 7,855,353.03/x
  3. Step 3: Cross multiply
    14,381,719.47x = 19,846,654.92 × 7,855,353.03
  4. Step 4: Simplify right side
    14,381,719.47x = 155,902,480,861,186.44
  5. Step 5: Solve for x
    x = 155,902,480,861,186.44/14,381,719.47
  6. Step 6: Final answer
    x = 10,840,322.76

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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.