Home / 19,019,796.76-26,247,319.55-10,871,209.72

Finding the Fourth Proportional to 19,019,796.76, 26,247,319.55 and 10,871,209.72

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Solution

The fourth proportional to 19,019,796.76, 26,247,319.55 and 10,871,209.72 is: 15,002,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019,796.76 : 26,247,319.55 = 10,871,209.72 : x
  2. Step 2: Convert to fraction form
    19,019,796.76/26,247,319.55 = 10,871,209.72/x
  3. Step 3: Cross multiply
    19,019,796.76x = 26,247,319.55 × 10,871,209.72
  4. Step 4: Simplify right side
    19,019,796.76x = 285,340,115,415,906.06
  5. Step 5: Solve for x
    x = 285,340,115,415,906.06/19,019,796.76
  6. Step 6: Final answer
    x = 15,002,269.43

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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.