Home / 25,981,899.20-38,972,848.80-8,032,817.60

Finding the Fourth Proportional to 25,981,899.20, 38,972,848.80 and 8,032,817.60

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Solution

The fourth proportional to 25,981,899.20, 38,972,848.80 and 8,032,817.60 is: 12,049,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981,899.20 : 38,972,848.80 = 8,032,817.60 : x
  2. Step 2: Convert to fraction form
    25,981,899.20/38,972,848.80 = 8,032,817.60/x
  3. Step 3: Cross multiply
    25,981,899.20x = 38,972,848.80 × 8,032,817.60
  4. Step 4: Simplify right side
    25,981,899.20x = 313,061,785,762,778.81
  5. Step 5: Solve for x
    x = 313,061,785,762,778.81/25,981,899.20
  6. Step 6: Final answer
    x = 12,049,226.40

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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.