Home / 14,984,178.92-20,678,167-8,108,661.06

Finding the Fourth Proportional to 14,984,178.92, 20,678,167 and 8,108,661.06

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Solution

The fourth proportional to 14,984,178.92, 20,678,167 and 8,108,661.06 is: 11,189,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,178.92 : 20,678,167 = 8,108,661.06 : x
  2. Step 2: Convert to fraction form
    14,984,178.92/20,678,167 = 8,108,661.06/x
  3. Step 3: Cross multiply
    14,984,178.92x = 20,678,167 × 8,108,661.06
  4. Step 4: Simplify right side
    14,984,178.92x = 167,672,247,545,077
  5. Step 5: Solve for x
    x = 167,672,247,545,077/14,984,178.92
  6. Step 6: Final answer
    x = 11,189,952.31

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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.