Home / 7,263,013.70-10,894,520.55-4,428,661.70

Finding the Fourth Proportional to 7,263,013.70, 10,894,520.55 and 4,428,661.70

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Solution

The fourth proportional to 7,263,013.70, 10,894,520.55 and 4,428,661.70 is: 6,642,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,263,013.70 : 10,894,520.55 = 4,428,661.70 : x
  2. Step 2: Convert to fraction form
    7,263,013.70/10,894,520.55 = 4,428,661.70/x
  3. Step 3: Cross multiply
    7,263,013.70x = 10,894,520.55 × 4,428,661.70
  4. Step 4: Simplify right side
    7,263,013.70x = 48,248,145,899,647.94
  5. Step 5: Solve for x
    x = 48,248,145,899,647.94/7,263,013.70
  6. Step 6: Final answer
    x = 6,642,992.55

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Similar ratio
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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.