Home / 31,764,115.84-47,622,945.12-10,186,435.12

Finding the Fourth Proportional to 31,764,115.84, 47,622,945.12 and 10,186,435.12

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Solution

The fourth proportional to 31,764,115.84, 47,622,945.12 and 10,186,435.12 is: 15,272,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764,115.84 : 47,622,945.12 = 10,186,435.12 : x
  2. Step 2: Convert to fraction form
    31,764,115.84/47,622,945.12 = 10,186,435.12/x
  3. Step 3: Cross multiply
    31,764,115.84x = 47,622,945.12 × 10,186,435.12
  4. Step 4: Simplify right side
    31,764,115.84x = 485,108,040,688,200.56
  5. Step 5: Solve for x
    x = 485,108,040,688,200.56/31,764,115.84
  6. Step 6: Final answer
    x = 15,272,203.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.