Home / 30,259,690.43-45,384,664.10-8,689,385.97

Finding the Fourth Proportional to 30,259,690.43, 45,384,664.10 and 8,689,385.97

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Solution

The fourth proportional to 30,259,690.43, 45,384,664.10 and 8,689,385.97 is: 13,032,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259,690.43 : 45,384,664.10 = 8,689,385.97 : x
  2. Step 2: Convert to fraction form
    30,259,690.43/45,384,664.10 = 8,689,385.97/x
  3. Step 3: Cross multiply
    30,259,690.43x = 45,384,664.10 × 8,689,385.97
  4. Step 4: Simplify right side
    30,259,690.43x = 394,364,863,440,255.75
  5. Step 5: Solve for x
    x = 394,364,863,440,255.75/30,259,690.43
  6. Step 6: Final answer
    x = 13,032,680.04

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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.