Home / 10,959,471.07-16,372,004.45-7,900,732.87

Finding the Fourth Proportional to 10,959,471.07, 16,372,004.45 and 7,900,732.87

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Solution

The fourth proportional to 10,959,471.07, 16,372,004.45 and 7,900,732.87 is: 11,802,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959,471.07 : 16,372,004.45 = 7,900,732.87 : x
  2. Step 2: Convert to fraction form
    10,959,471.07/16,372,004.45 = 7,900,732.87/x
  3. Step 3: Cross multiply
    10,959,471.07x = 16,372,004.45 × 7,900,732.87
  4. Step 4: Simplify right side
    10,959,471.07x = 129,350,833,705,901.27
  5. Step 5: Solve for x
    x = 129,350,833,705,901.27/10,959,471.07
  6. Step 6: Final answer
    x = 11,802,652.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.