Home / 22,019,912.40-33,029,868.60-18,831,266.40

Finding the Fourth Proportional to 22,019,912.40, 33,029,868.60 and 18,831,266.40

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Solution

The fourth proportional to 22,019,912.40, 33,029,868.60 and 18,831,266.40 is: 28,246,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,912.40 : 33,029,868.60 = 18,831,266.40 : x
  2. Step 2: Convert to fraction form
    22,019,912.40/33,029,868.60 = 18,831,266.40/x
  3. Step 3: Cross multiply
    22,019,912.40x = 33,029,868.60 × 18,831,266.40
  4. Step 4: Simplify right side
    22,019,912.40x = 621,994,254,763,595
  5. Step 5: Solve for x
    x = 621,994,254,763,595/22,019,912.40
  6. Step 6: Final answer
    x = 28,246,899.60

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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.