Home / 10,857,431.52-16,286,707.80-2,770,477.92

Finding the Fourth Proportional to 10,857,431.52, 16,286,707.80 and 2,770,477.92

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Solution

The fourth proportional to 10,857,431.52, 16,286,707.80 and 2,770,477.92 is: 4,155,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857,431.52 : 16,286,707.80 = 2,770,477.92 : x
  2. Step 2: Convert to fraction form
    10,857,431.52/16,286,707.80 = 2,770,477.92/x
  3. Step 3: Cross multiply
    10,857,431.52x = 16,286,707.80 × 2,770,477.92
  4. Step 4: Simplify right side
    10,857,431.52x = 45,121,964,349,391.77
  5. Step 5: Solve for x
    x = 45,121,964,349,391.77/10,857,431.52
  6. Step 6: Final answer
    x = 4,155,859.91

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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.