Home / 18,683,610.40-28,025,415.60-16,794,042.40

Finding the Fourth Proportional to 18,683,610.40, 28,025,415.60 and 16,794,042.40

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Solution

The fourth proportional to 18,683,610.40, 28,025,415.60 and 16,794,042.40 is: 25,191,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,610.40 : 28,025,415.60 = 16,794,042.40 : x
  2. Step 2: Convert to fraction form
    18,683,610.40/28,025,415.60 = 16,794,042.40/x
  3. Step 3: Cross multiply
    18,683,610.40x = 28,025,415.60 × 16,794,042.40
  4. Step 4: Simplify right side
    18,683,610.40x = 470,660,017,864,021.44
  5. Step 5: Solve for x
    x = 470,660,017,864,021.44/18,683,610.40
  6. Step 6: Final answer
    x = 25,191,063.60

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1.5x scale

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.