Home / 14,984,890.13-20,679,213.53-8,109,372.80

Finding the Fourth Proportional to 14,984,890.13, 20,679,213.53 and 8,109,372.80

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Solution

The fourth proportional to 14,984,890.13, 20,679,213.53 and 8,109,372.80 is: 11,190,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,890.13 : 20,679,213.53 = 8,109,372.80 : x
  2. Step 2: Convert to fraction form
    14,984,890.13/20,679,213.53 = 8,109,372.80/x
  3. Step 3: Cross multiply
    14,984,890.13x = 20,679,213.53 × 8,109,372.80
  4. Step 4: Simplify right side
    14,984,890.13x = 167,695,451,725,574
  5. Step 5: Solve for x
    x = 167,695,451,725,574/14,984,890.13
  6. Step 6: Final answer
    x = 11,190,969.72

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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.