Home / 8,161,346.40-12,228,022.80-3,892,322.40

Finding the Fourth Proportional to 8,161,346.40, 12,228,022.80 and 3,892,322.40

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Solution

The fourth proportional to 8,161,346.40, 12,228,022.80 and 3,892,322.40 is: 5,831,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,346.40 : 12,228,022.80 = 3,892,322.40 : x
  2. Step 2: Convert to fraction form
    8,161,346.40/12,228,022.80 = 3,892,322.40/x
  3. Step 3: Cross multiply
    8,161,346.40x = 12,228,022.80 × 3,892,322.40
  4. Step 4: Simplify right side
    8,161,346.40x = 47,595,407,052,150.72
  5. Step 5: Solve for x
    x = 47,595,407,052,150.72/8,161,346.40
  6. Step 6: Final answer
    x = 5,831,808.22

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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.