Home / 12,909,878.92-19,351,879.75-5,998,213.90

Finding the Fourth Proportional to 12,909,878.92, 19,351,879.75 and 5,998,213.90

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Solution

The fourth proportional to 12,909,878.92, 19,351,879.75 and 5,998,213.90 is: 8,991,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,878.92 : 19,351,879.75 = 5,998,213.90 : x
  2. Step 2: Convert to fraction form
    12,909,878.92/19,351,879.75 = 5,998,213.90/x
  3. Step 3: Cross multiply
    12,909,878.92x = 19,351,879.75 × 5,998,213.90
  4. Step 4: Simplify right side
    12,909,878.92x = 116,076,713,980,828.05
  5. Step 5: Solve for x
    x = 116,076,713,980,828.05/12,909,878.92
  6. Step 6: Final answer
    x = 8,991,309.27

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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.