Home / 13,066,712.19-19,598,791.15-3,968,888.78

Finding the Fourth Proportional to 13,066,712.19, 19,598,791.15 and 3,968,888.78

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Solution

The fourth proportional to 13,066,712.19, 19,598,791.15 and 3,968,888.78 is: 5,952,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,712.19 : 19,598,791.15 = 3,968,888.78 : x
  2. Step 2: Convert to fraction form
    13,066,712.19/19,598,791.15 = 3,968,888.78/x
  3. Step 3: Cross multiply
    13,066,712.19x = 19,598,791.15 × 3,968,888.78
  4. Step 4: Simplify right side
    13,066,712.19x = 77,785,422,350,756.39
  5. Step 5: Solve for x
    x = 77,785,422,350,756.39/13,066,712.19
  6. Step 6: Final answer
    x = 5,952,945.26

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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.