Home / 11,909,231.80-17,863,847.70-8,549,999.80

Finding the Fourth Proportional to 11,909,231.80, 17,863,847.70 and 8,549,999.80

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Solution

The fourth proportional to 11,909,231.80, 17,863,847.70 and 8,549,999.80 is: 12,824,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,231.80 : 17,863,847.70 = 8,549,999.80 : x
  2. Step 2: Convert to fraction form
    11,909,231.80/17,863,847.70 = 8,549,999.80/x
  3. Step 3: Cross multiply
    11,909,231.80x = 17,863,847.70 × 8,549,999.80
  4. Step 4: Simplify right side
    11,909,231.80x = 152,735,894,262,230.47
  5. Step 5: Solve for x
    x = 152,735,894,262,230.47/11,909,231.80
  6. Step 6: Final answer
    x = 12,824,999.70

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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.