Home / 30,622,207.34-42,258,622.91-16,871,171.46

Finding the Fourth Proportional to 30,622,207.34, 42,258,622.91 and 16,871,171.46

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Solution

The fourth proportional to 30,622,207.34, 42,258,622.91 and 16,871,171.46 is: 23,282,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,207.34 : 42,258,622.91 = 16,871,171.46 : x
  2. Step 2: Convert to fraction form
    30,622,207.34/42,258,622.91 = 16,871,171.46/x
  3. Step 3: Cross multiply
    30,622,207.34x = 42,258,622.91 × 16,871,171.46
  4. Step 4: Simplify right side
    30,622,207.34x = 712,952,472,693,738.38
  5. Step 5: Solve for x
    x = 712,952,472,693,738.38/30,622,207.34
  6. Step 6: Final answer
    x = 23,282,203.82

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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.