Home / 22,019,931.90-33,029,897.85-18,831,285.90

Finding the Fourth Proportional to 22,019,931.90, 33,029,897.85 and 18,831,285.90

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Solution

The fourth proportional to 22,019,931.90, 33,029,897.85 and 18,831,285.90 is: 28,246,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,931.90 : 33,029,897.85 = 18,831,285.90 : x
  2. Step 2: Convert to fraction form
    22,019,931.90/33,029,897.85 = 18,831,285.90/x
  3. Step 3: Cross multiply
    22,019,931.90x = 33,029,897.85 × 18,831,285.90
  4. Step 4: Simplify right side
    22,019,931.90x = 621,995,449,661,145.25
  5. Step 5: Solve for x
    x = 621,995,449,661,145.25/22,019,931.90
  6. Step 6: Final answer
    x = 28,246,928.85

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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.