Home / 13,743,721.02-18,968,007.96-7,942,550.16

Finding the Fourth Proportional to 13,743,721.02, 18,968,007.96 and 7,942,550.16

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Solution

The fourth proportional to 13,743,721.02, 18,968,007.96 and 7,942,550.16 is: 10,961,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,721.02 : 18,968,007.96 = 7,942,550.16 : x
  2. Step 2: Convert to fraction form
    13,743,721.02/18,968,007.96 = 7,942,550.16/x
  3. Step 3: Cross multiply
    13,743,721.02x = 18,968,007.96 × 7,942,550.16
  4. Step 4: Simplify right side
    13,743,721.02x = 150,654,354,657,579.28
  5. Step 5: Solve for x
    x = 150,654,354,657,579.28/13,743,721.02
  6. Step 6: Final answer
    x = 10,961,686.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.