Home / 13,828,999.60-20,743,499.40-6,654,546.10

Finding the Fourth Proportional to 13,828,999.60, 20,743,499.40 and 6,654,546.10

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Solution

The fourth proportional to 13,828,999.60, 20,743,499.40 and 6,654,546.10 is: 9,981,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,999.60 : 20,743,499.40 = 6,654,546.10 : x
  2. Step 2: Convert to fraction form
    13,828,999.60/20,743,499.40 = 6,654,546.10/x
  3. Step 3: Cross multiply
    13,828,999.60x = 20,743,499.40 × 6,654,546.10
  4. Step 4: Simplify right side
    13,828,999.60x = 138,038,573,032,622.33
  5. Step 5: Solve for x
    x = 138,038,573,032,622.33/13,828,999.60
  6. Step 6: Final answer
    x = 9,981,819.15

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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.