Home / 17,888,945.40-26,833,418.10-12,220,241.40

Finding the Fourth Proportional to 17,888,945.40, 26,833,418.10 and 12,220,241.40

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Solution

The fourth proportional to 17,888,945.40, 26,833,418.10 and 12,220,241.40 is: 18,330,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888,945.40 : 26,833,418.10 = 12,220,241.40 : x
  2. Step 2: Convert to fraction form
    17,888,945.40/26,833,418.10 = 12,220,241.40/x
  3. Step 3: Cross multiply
    17,888,945.40x = 26,833,418.10 × 12,220,241.40
  4. Step 4: Simplify right side
    17,888,945.40x = 327,910,846,769,129.38
  5. Step 5: Solve for x
    x = 327,910,846,769,129.38/17,888,945.40
  6. Step 6: Final answer
    x = 18,330,362.10

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1.5x scale

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.