Home / 12,799,153.20-19,170,736.20-9,936,807.60

Finding the Fourth Proportional to 12,799,153.20, 19,170,736.20 and 9,936,807.60

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Solution

The fourth proportional to 12,799,153.20, 19,170,736.20 and 9,936,807.60 is: 14,883,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,153.20 : 19,170,736.20 = 9,936,807.60 : x
  2. Step 2: Convert to fraction form
    12,799,153.20/19,170,736.20 = 9,936,807.60/x
  3. Step 3: Cross multiply
    12,799,153.20x = 19,170,736.20 × 9,936,807.60
  4. Step 4: Simplify right side
    12,799,153.20x = 190,495,917,169,755.09
  5. Step 5: Solve for x
    x = 190,495,917,169,755.09/12,799,153.20
  6. Step 6: Final answer
    x = 14,883,478.16

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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.