Home / 14,984,663.85-20,678,760.09-8,109,145.91

Finding the Fourth Proportional to 14,984,663.85, 20,678,760.09 and 8,109,145.91

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Solution

The fourth proportional to 14,984,663.85, 20,678,760.09 and 8,109,145.91 is: 11,190,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,663.85 : 20,678,760.09 = 8,109,145.91 : x
  2. Step 2: Convert to fraction form
    14,984,663.85/20,678,760.09 = 8,109,145.91/x
  3. Step 3: Cross multiply
    14,984,663.85x = 20,678,760.09 × 8,109,145.91
  4. Step 4: Simplify right side
    14,984,663.85x = 167,687,082,898,164.31
  5. Step 5: Solve for x
    x = 167,687,082,898,164.31/14,984,663.85
  6. Step 6: Final answer
    x = 11,190,580.22

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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.