Home / 30,928,770.72-42,681,702.24-17,179,014.24

Finding the Fourth Proportional to 30,928,770.72, 42,681,702.24 and 17,179,014.24

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Solution

The fourth proportional to 30,928,770.72, 42,681,702.24 and 17,179,014.24 is: 23,707,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928,770.72 : 42,681,702.24 = 17,179,014.24 : x
  2. Step 2: Convert to fraction form
    30,928,770.72/42,681,702.24 = 17,179,014.24/x
  3. Step 3: Cross multiply
    30,928,770.72x = 42,681,702.24 × 17,179,014.24
  4. Step 4: Simplify right side
    30,928,770.72x = 733,229,570,568,399.88
  5. Step 5: Solve for x
    x = 733,229,570,568,399.88/30,928,770.72
  6. Step 6: Final answer
    x = 23,707,038.90

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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.