Home / 18,280,000.35-25,211,691.35-16,070,138.31

Finding the Fourth Proportional to 18,280,000.35, 25,211,691.35 and 16,070,138.31

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Solution

The fourth proportional to 18,280,000.35, 25,211,691.35 and 16,070,138.31 is: 22,163,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280,000.35 : 25,211,691.35 = 16,070,138.31 : x
  2. Step 2: Convert to fraction form
    18,280,000.35/25,211,691.35 = 16,070,138.31/x
  3. Step 3: Cross multiply
    18,280,000.35x = 25,211,691.35 × 16,070,138.31
  4. Step 4: Simplify right side
    18,280,000.35x = 405,155,366,817,121.44
  5. Step 5: Solve for x
    x = 405,155,366,817,121.44/18,280,000.35
  6. Step 6: Final answer
    x = 22,163,859.90

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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.