Home / 6,464,981.92-9,703,783.78-5,339,212.72

Finding the Fourth Proportional to 6,464,981.92, 9,703,783.78 and 5,339,212.72

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Solution

The fourth proportional to 6,464,981.92, 9,703,783.78 and 5,339,212.72 is: 8,014,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,981.92 : 9,703,783.78 = 5,339,212.72 : x
  2. Step 2: Convert to fraction form
    6,464,981.92/9,703,783.78 = 5,339,212.72/x
  3. Step 3: Cross multiply
    6,464,981.92x = 9,703,783.78 × 5,339,212.72
  4. Step 4: Simplify right side
    6,464,981.92x = 51,810,565,790,305.67
  5. Step 5: Solve for x
    x = 51,810,565,790,305.67/6,464,981.92
  6. Step 6: Final answer
    x = 8,014,031.04

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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.