Home / 22,019,966.40-33,029,949.60-18,831,320.40

Finding the Fourth Proportional to 22,019,966.40, 33,029,949.60 and 18,831,320.40

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Solution

The fourth proportional to 22,019,966.40, 33,029,949.60 and 18,831,320.40 is: 28,246,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,966.40 : 33,029,949.60 = 18,831,320.40 : x
  2. Step 2: Convert to fraction form
    22,019,966.40/33,029,949.60 = 18,831,320.40/x
  3. Step 3: Cross multiply
    22,019,966.40x = 33,029,949.60 × 18,831,320.40
  4. Step 4: Simplify right side
    22,019,966.40x = 621,997,563,713,451.88
  5. Step 5: Solve for x
    x = 621,997,563,713,451.88/22,019,966.40
  6. Step 6: Final answer
    x = 28,246,980.60

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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.