Home / 12,394,586.72-17,104,945.04-6,888,193.64

Finding the Fourth Proportional to 12,394,586.72, 17,104,945.04 and 6,888,193.64

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Solution

The fourth proportional to 12,394,586.72, 17,104,945.04 and 6,888,193.64 is: 9,505,938.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,586.72 : 17,104,945.04 = 6,888,193.64 : x
  2. Step 2: Convert to fraction form
    12,394,586.72/17,104,945.04 = 6,888,193.64/x
  3. Step 3: Cross multiply
    12,394,586.72x = 17,104,945.04 × 6,888,193.64
  4. Step 4: Simplify right side
    12,394,586.72x = 117,822,173,637,077.53
  5. Step 5: Solve for x
    x = 117,822,173,637,077.53/12,394,586.72
  6. Step 6: Final answer
    x = 9,505,938.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.