Home / 18,908,684.28-28,367,012.25-6,128,192.52

Finding the Fourth Proportional to 18,908,684.28, 28,367,012.25 and 6,128,192.52

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Solution

The fourth proportional to 18,908,684.28, 28,367,012.25 and 6,128,192.52 is: 9,193,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908,684.28 : 28,367,012.25 = 6,128,192.52 : x
  2. Step 2: Convert to fraction form
    18,908,684.28/28,367,012.25 = 6,128,192.52/x
  3. Step 3: Cross multiply
    18,908,684.28x = 28,367,012.25 × 6,128,192.52
  4. Step 4: Simplify right side
    18,908,684.28x = 173,838,512,285,198.34
  5. Step 5: Solve for x
    x = 173,838,512,285,198.34/18,908,684.28
  6. Step 6: Final answer
    x = 9,193,580.56

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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.