Home / 9,979,048.18-14,970,189.96-3,910,489.50

Finding the Fourth Proportional to 9,979,048.18, 14,970,189.96 and 3,910,489.50

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Solution

The fourth proportional to 9,979,048.18, 14,970,189.96 and 3,910,489.50 is: 5,866,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,048.18 : 14,970,189.96 = 3,910,489.50 : x
  2. Step 2: Convert to fraction form
    9,979,048.18/14,970,189.96 = 3,910,489.50/x
  3. Step 3: Cross multiply
    9,979,048.18x = 14,970,189.96 × 3,910,489.50
  4. Step 4: Simplify right side
    9,979,048.18x = 58,540,770,623,516.31
  5. Step 5: Solve for x
    x = 58,540,770,623,516.31/9,979,048.18
  6. Step 6: Final answer
    x = 5,866,368.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.