Home / 31,616,096.58-43,616,853.08-21,165,479.73

Finding the Fourth Proportional to 31,616,096.58, 43,616,853.08 and 21,165,479.73

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Solution

The fourth proportional to 31,616,096.58, 43,616,853.08 and 21,165,479.73 is: 29,199,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,616,096.58 : 43,616,853.08 = 21,165,479.73 : x
  2. Step 2: Convert to fraction form
    31,616,096.58/43,616,853.08 = 21,165,479.73/x
  3. Step 3: Cross multiply
    31,616,096.58x = 43,616,853.08 × 21,165,479.73
  4. Step 4: Simplify right side
    31,616,096.58x = 923,171,619,645,300.75
  5. Step 5: Solve for x
    x = 923,171,619,645,300.75/31,616,096.58
  6. Step 6: Final answer
    x = 29,199,418.00

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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.