Home / 7,988,010.40-11,982,015.60-2,308,808.80

Finding the Fourth Proportional to 7,988,010.40, 11,982,015.60 and 2,308,808.80

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Solution

The fourth proportional to 7,988,010.40, 11,982,015.60 and 2,308,808.80 is: 3,463,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,010.40 : 11,982,015.60 = 2,308,808.80 : x
  2. Step 2: Convert to fraction form
    7,988,010.40/11,982,015.60 = 2,308,808.80/x
  3. Step 3: Cross multiply
    7,988,010.40x = 11,982,015.60 × 2,308,808.80
  4. Step 4: Simplify right side
    7,988,010.40x = 27,664,183,059,017.28
  5. Step 5: Solve for x
    x = 27,664,183,059,017.28/7,988,010.40
  6. Step 6: Final answer
    x = 3,463,213.20

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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.