Home / 13,562,195.52-18,716,879.04-7,762,796.64

Finding the Fourth Proportional to 13,562,195.52, 18,716,879.04 and 7,762,796.64

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Solution

The fourth proportional to 13,562,195.52, 18,716,879.04 and 7,762,796.64 is: 10,713,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562,195.52 : 18,716,879.04 = 7,762,796.64 : x
  2. Step 2: Convert to fraction form
    13,562,195.52/18,716,879.04 = 7,762,796.64/x
  3. Step 3: Cross multiply
    13,562,195.52x = 18,716,879.04 × 7,762,796.64
  4. Step 4: Simplify right side
    13,562,195.52x = 145,295,325,722,998.41
  5. Step 5: Solve for x
    x = 145,295,325,722,998.41/13,562,195.52
  6. Step 6: Final answer
    x = 10,713,259.92

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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.