Home / 20,231,009.40-30,350,450.70-5,854,546.20

Finding the Fourth Proportional to 20,231,009.40, 30,350,450.70 and 5,854,546.20

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Solution

The fourth proportional to 20,231,009.40, 30,350,450.70 and 5,854,546.20 is: 8,782,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,009.40 : 30,350,450.70 = 5,854,546.20 : x
  2. Step 2: Convert to fraction form
    20,231,009.40/30,350,450.70 = 5,854,546.20/x
  3. Step 3: Cross multiply
    20,231,009.40x = 30,350,450.70 × 5,854,546.20
  4. Step 4: Simplify right side
    20,231,009.40x = 177,688,115,813,972.34
  5. Step 5: Solve for x
    x = 177,688,115,813,972.34/20,231,009.40
  6. Step 6: Final answer
    x = 8,782,958.49

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1.5x scale

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.