Home / 9,235,403.56-12,744,874.20-5,161,022.56

Finding the Fourth Proportional to 9,235,403.56, 12,744,874.20 and 5,161,022.56

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Solution

The fourth proportional to 9,235,403.56, 12,744,874.20 and 5,161,022.56 is: 7,122,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235,403.56 : 12,744,874.20 = 5,161,022.56 : x
  2. Step 2: Convert to fraction form
    9,235,403.56/12,744,874.20 = 5,161,022.56/x
  3. Step 3: Cross multiply
    9,235,403.56x = 12,744,874.20 × 5,161,022.56
  4. Step 4: Simplify right side
    9,235,403.56x = 65,776,583,270,561.95
  5. Step 5: Solve for x
    x = 65,776,583,270,561.95/9,235,403.56
  6. Step 6: Final answer
    x = 7,122,220.79

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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.