Home / 21,392,521.60-32,085,339.20-6,242,902.40

Finding the Fourth Proportional to 21,392,521.60, 32,085,339.20 and 6,242,902.40

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Solution

The fourth proportional to 21,392,521.60, 32,085,339.20 and 6,242,902.40 is: 9,363,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392,521.60 : 32,085,339.20 = 6,242,902.40 : x
  2. Step 2: Convert to fraction form
    21,392,521.60/32,085,339.20 = 6,242,902.40/x
  3. Step 3: Cross multiply
    21,392,521.60x = 32,085,339.20 × 6,242,902.40
  4. Step 4: Simplify right side
    21,392,521.60x = 200,305,641,096,494.09
  5. Step 5: Solve for x
    x = 200,305,641,096,494.09/21,392,521.60
  6. Step 6: Final answer
    x = 9,363,348.78

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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.