Home / 17,939,880,007.20-26,909,820,010.80-8,621,380,936.80

Finding the Fourth Proportional to 17,939,880,007.20, 26,909,820,010.80 and 8,621,380,936.80

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Solution

The fourth proportional to 17,939,880,007.20, 26,909,820,010.80 and 8,621,380,936.80 is: 12,932,071,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939,880,007.20 : 26,909,820,010.80 = 8,621,380,936.80 : x
  2. Step 2: Convert to fraction form
    17,939,880,007.20/26,909,820,010.80 = 8,621,380,936.80/x
  3. Step 3: Cross multiply
    17,939,880,007.20x = 26,909,820,010.80 × 8,621,380,936.80
  4. Step 4: Simplify right side
    17,939,880,007.20x = 231,999,809,253,830,262,784
  5. Step 5: Solve for x
    x = 231,999,809,253,830,262,784/17,939,880,007.20
  6. Step 6: Final answer
    x = 12,932,071,405.20

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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.