Home / 7,382,033.52-11,073,630-1,990,602.72

Finding the Fourth Proportional to 7,382,033.52, 11,073,630 and 1,990,602.72

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Solution

The fourth proportional to 7,382,033.52, 11,073,630 and 1,990,602.72 is: 2,986,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,033.52 : 11,073,630 = 1,990,602.72 : x
  2. Step 2: Convert to fraction form
    7,382,033.52/11,073,630 = 1,990,602.72/x
  3. Step 3: Cross multiply
    7,382,033.52x = 11,073,630 × 1,990,602.72
  4. Step 4: Simplify right side
    7,382,033.52x = 22,043,197,998,273.60
  5. Step 5: Solve for x
    x = 22,043,197,998,273.60/7,382,033.52
  6. Step 6: Final answer
    x = 2,986,060.40

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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.