Home / 30,500,874.80-45,751,312.20-10,305,825.20

Finding the Fourth Proportional to 30,500,874.80, 45,751,312.20 and 10,305,825.20

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Solution

The fourth proportional to 30,500,874.80, 45,751,312.20 and 10,305,825.20 is: 15,458,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500,874.80 : 45,751,312.20 = 10,305,825.20 : x
  2. Step 2: Convert to fraction form
    30,500,874.80/45,751,312.20 = 10,305,825.20/x
  3. Step 3: Cross multiply
    30,500,874.80x = 45,751,312.20 × 10,305,825.20
  4. Step 4: Simplify right side
    30,500,874.80x = 471,505,026,203,827.44
  5. Step 5: Solve for x
    x = 471,505,026,203,827.44/30,500,874.80
  6. Step 6: Final answer
    x = 15,458,737.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.