Home / 12,539,638.74-18,809,289.96-3,441,725.58

Finding the Fourth Proportional to 12,539,638.74, 18,809,289.96 and 3,441,725.58

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Solution

The fourth proportional to 12,539,638.74, 18,809,289.96 and 3,441,725.58 is: 5,162,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,638.74 : 18,809,289.96 = 3,441,725.58 : x
  2. Step 2: Convert to fraction form
    12,539,638.74/18,809,289.96 = 3,441,725.58/x
  3. Step 3: Cross multiply
    12,539,638.74x = 18,809,289.96 × 3,441,725.58
  4. Step 4: Simplify right side
    12,539,638.74x = 64,736,414,396,969.18
  5. Step 5: Solve for x
    x = 64,736,414,396,969.18/12,539,638.74
  6. Step 6: Final answer
    x = 5,162,542.22

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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.