Home / 7,988,009.40-11,982,014.10-2,308,807.80

Finding the Fourth Proportional to 7,988,009.40, 11,982,014.10 and 2,308,807.80

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Solution

The fourth proportional to 7,988,009.40, 11,982,014.10 and 2,308,807.80 is: 3,463,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,009.40 : 11,982,014.10 = 2,308,807.80 : x
  2. Step 2: Convert to fraction form
    7,988,009.40/11,982,014.10 = 2,308,807.80/x
  3. Step 3: Cross multiply
    7,988,009.40x = 11,982,014.10 × 2,308,807.80
  4. Step 4: Simplify right side
    7,988,009.40x = 27,664,167,613,789.98
  5. Step 5: Solve for x
    x = 27,664,167,613,789.98/7,988,009.40
  6. Step 6: Final answer
    x = 3,463,211.70

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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.