Home / 10,505,497.56-14,497,808.43-5,921,817.72

Finding the Fourth Proportional to 10,505,497.56, 14,497,808.43 and 5,921,817.72

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Solution

The fourth proportional to 10,505,497.56, 14,497,808.43 and 5,921,817.72 is: 8,172,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505,497.56 : 14,497,808.43 = 5,921,817.72 : x
  2. Step 2: Convert to fraction form
    10,505,497.56/14,497,808.43 = 5,921,817.72/x
  3. Step 3: Cross multiply
    10,505,497.56x = 14,497,808.43 × 5,921,817.72
  4. Step 4: Simplify right side
    10,505,497.56x = 85,853,378,861,939.38
  5. Step 5: Solve for x
    x = 85,853,378,861,939.38/10,505,497.56
  6. Step 6: Final answer
    x = 8,172,233.48

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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.