Home / 14,984,480.72-20,678,729.30-8,109,105.68

Finding the Fourth Proportional to 14,984,480.72, 20,678,729.30 and 8,109,105.68

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Solution

The fourth proportional to 14,984,480.72, 20,678,729.30 and 8,109,105.68 is: 11,190,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,480.72 : 20,678,729.30 = 8,109,105.68 : x
  2. Step 2: Convert to fraction form
    14,984,480.72/20,678,729.30 = 8,109,105.68/x
  3. Step 3: Cross multiply
    14,984,480.72x = 20,678,729.30 × 8,109,105.68
  4. Step 4: Simplify right side
    14,984,480.72x = 167,686,001,221,812.44
  5. Step 5: Solve for x
    x = 167,686,001,221,812.44/14,984,480.72
  6. Step 6: Final answer
    x = 11,190,644.80

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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.