Home / 14,984,288.10-20,678,317.65-8,108,769.78

Finding the Fourth Proportional to 14,984,288.10, 20,678,317.65 and 8,108,769.78

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Solution

The fourth proportional to 14,984,288.10, 20,678,317.65 and 8,108,769.78 is: 11,190,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,288.10 : 20,678,317.65 = 8,108,769.78 : x
  2. Step 2: Convert to fraction form
    14,984,288.10/20,678,317.65 = 8,108,769.78/x
  3. Step 3: Cross multiply
    14,984,288.10x = 20,678,317.65 × 8,108,769.78
  4. Step 4: Simplify right side
    14,984,288.10x = 167,675,717,261,560.62
  5. Step 5: Solve for x
    x = 167,675,717,261,560.62/14,984,288.10
  6. Step 6: Final answer
    x = 11,190,102.34

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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.