Home / 30,622,743.24-42,259,362.57-16,871,707.37

Finding the Fourth Proportional to 30,622,743.24, 42,259,362.57 and 16,871,707.37

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Solution

The fourth proportional to 30,622,743.24, 42,259,362.57 and 16,871,707.37 is: 23,282,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,743.24 : 42,259,362.57 = 16,871,707.37 : x
  2. Step 2: Convert to fraction form
    30,622,743.24/42,259,362.57 = 16,871,707.37/x
  3. Step 3: Cross multiply
    30,622,743.24x = 42,259,362.57 × 16,871,707.37
  4. Step 4: Simplify right side
    30,622,743.24x = 712,987,598,712,474.25
  5. Step 5: Solve for x
    x = 712,987,598,712,474.25/30,622,743.24
  6. Step 6: Final answer
    x = 23,282,943.44

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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.