Home / 7,465,784.80-11,190,382.80-4,102,405.60

Finding the Fourth Proportional to 7,465,784.80, 11,190,382.80 and 4,102,405.60

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Solution

The fourth proportional to 7,465,784.80, 11,190,382.80 and 4,102,405.60 is: 6,149,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465,784.80 : 11,190,382.80 = 4,102,405.60 : x
  2. Step 2: Convert to fraction form
    7,465,784.80/11,190,382.80 = 4,102,405.60/x
  3. Step 3: Cross multiply
    7,465,784.80x = 11,190,382.80 × 4,102,405.60
  4. Step 4: Simplify right side
    7,465,784.80x = 45,907,489,064,863.69
  5. Step 5: Solve for x
    x = 45,907,489,064,863.69/7,465,784.80
  6. Step 6: Final answer
    x = 6,149,050.68

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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.