Home / 9,529,653.44-13,151,049.84-5,178,825.92

Finding the Fourth Proportional to 9,529,653.44, 13,151,049.84 and 5,178,825.92

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Solution

The fourth proportional to 9,529,653.44, 13,151,049.84 and 5,178,825.92 is: 7,146,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529,653.44 : 13,151,049.84 = 5,178,825.92 : x
  2. Step 2: Convert to fraction form
    9,529,653.44/13,151,049.84 = 5,178,825.92/x
  3. Step 3: Cross multiply
    9,529,653.44x = 13,151,049.84 × 5,178,825.92
  4. Step 4: Simplify right side
    9,529,653.44x = 68,106,997,786,603.85
  5. Step 5: Solve for x
    x = 68,106,997,786,603.85/9,529,653.44
  6. Step 6: Final answer
    x = 7,146,849.38

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Double scale
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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.