Home / 20,412,006.40-30,618,009.60-14,672,443.60

Finding the Fourth Proportional to 20,412,006.40, 30,618,009.60 and 14,672,443.60

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Solution

The fourth proportional to 20,412,006.40, 30,618,009.60 and 14,672,443.60 is: 22,008,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,006.40 : 30,618,009.60 = 14,672,443.60 : x
  2. Step 2: Convert to fraction form
    20,412,006.40/30,618,009.60 = 14,672,443.60/x
  3. Step 3: Cross multiply
    20,412,006.40x = 30,618,009.60 × 14,672,443.60
  4. Step 4: Simplify right side
    20,412,006.40x = 449,241,019,000,258.56
  5. Step 5: Solve for x
    x = 449,241,019,000,258.56/20,412,006.40
  6. Step 6: Final answer
    x = 22,008,665.40

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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.