Home / 12,821,803.90-19,232,705.85-3,846,355.90

Finding the Fourth Proportional to 12,821,803.90, 19,232,705.85 and 3,846,355.90

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Solution

The fourth proportional to 12,821,803.90, 19,232,705.85 and 3,846,355.90 is: 5,769,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,803.90 : 19,232,705.85 = 3,846,355.90 : x
  2. Step 2: Convert to fraction form
    12,821,803.90/19,232,705.85 = 3,846,355.90/x
  3. Step 3: Cross multiply
    12,821,803.90x = 19,232,705.85 × 3,846,355.90
  4. Step 4: Simplify right side
    12,821,803.90x = 73,975,831,619,112.02
  5. Step 5: Solve for x
    x = 73,975,831,619,112.02/12,821,803.90
  6. Step 6: Final answer
    x = 5,769,533.85

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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.