Home / 12,539,638.79-18,809,290.04-3,441,725.63

Finding the Fourth Proportional to 12,539,638.79, 18,809,290.04 and 3,441,725.63

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Solution

The fourth proportional to 12,539,638.79, 18,809,290.04 and 3,441,725.63 is: 5,162,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,638.79 : 18,809,290.04 = 3,441,725.63 : x
  2. Step 2: Convert to fraction form
    12,539,638.79/18,809,290.04 = 3,441,725.63/x
  3. Step 3: Cross multiply
    12,539,638.79x = 18,809,290.04 × 3,441,725.63
  4. Step 4: Simplify right side
    12,539,638.79x = 64,736,415,612,771.72
  5. Step 5: Solve for x
    x = 64,736,415,612,771.72/12,539,638.79
  6. Step 6: Final answer
    x = 5,162,542.29

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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.