Home / 9,261,039.75-12,780,234.86-5,186,658.75

Finding the Fourth Proportional to 9,261,039.75, 12,780,234.86 and 5,186,658.75

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Solution

The fourth proportional to 9,261,039.75, 12,780,234.86 and 5,186,658.75 is: 7,157,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261,039.75 : 12,780,234.86 = 5,186,658.75 : x
  2. Step 2: Convert to fraction form
    9,261,039.75/12,780,234.86 = 5,186,658.75/x
  3. Step 3: Cross multiply
    9,261,039.75x = 12,780,234.86 × 5,186,658.75
  4. Step 4: Simplify right side
    9,261,039.75x = 66,286,716,963,674.02
  5. Step 5: Solve for x
    x = 66,286,716,963,674.02/9,261,039.75
  6. Step 6: Final answer
    x = 7,157,589.08

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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.