Home / 30,622,197.60-42,258,609.39-16,871,161.71

Finding the Fourth Proportional to 30,622,197.60, 42,258,609.39 and 16,871,161.71

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Solution

The fourth proportional to 30,622,197.60, 42,258,609.39 and 16,871,161.71 is: 23,282,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,197.60 : 42,258,609.39 = 16,871,161.71 : x
  2. Step 2: Convert to fraction form
    30,622,197.60/42,258,609.39 = 16,871,161.71/x
  3. Step 3: Cross multiply
    30,622,197.60x = 42,258,609.39 × 16,871,161.71
  4. Step 4: Simplify right side
    30,622,197.60x = 712,951,832,658,414.50
  5. Step 5: Solve for x
    x = 712,951,832,658,414.50/30,622,197.60
  6. Step 6: Final answer
    x = 23,282,190.32

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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.