Home / 22,602,103.20-31,190,745.60-12,288,830.40

Finding the Fourth Proportional to 22,602,103.20, 31,190,745.60 and 12,288,830.40

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Solution

The fourth proportional to 22,602,103.20, 31,190,745.60 and 12,288,830.40 is: 16,958,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602,103.20 : 31,190,745.60 = 12,288,830.40 : x
  2. Step 2: Convert to fraction form
    22,602,103.20/31,190,745.60 = 12,288,830.40/x
  3. Step 3: Cross multiply
    22,602,103.20x = 31,190,745.60 × 12,288,830.40
  4. Step 4: Simplify right side
    22,602,103.20x = 383,297,782,727,946.25
  5. Step 5: Solve for x
    x = 383,297,782,727,946.25/22,602,103.20
  6. Step 6: Final answer
    x = 16,958,500.69

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1.5x scale

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.