Home / 12,544,046.60-18,816,069.90-7,434,696.20

Finding the Fourth Proportional to 12,544,046.60, 18,816,069.90 and 7,434,696.20

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Solution

The fourth proportional to 12,544,046.60, 18,816,069.90 and 7,434,696.20 is: 11,152,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,046.60 : 18,816,069.90 = 7,434,696.20 : x
  2. Step 2: Convert to fraction form
    12,544,046.60/18,816,069.90 = 7,434,696.20/x
  3. Step 3: Cross multiply
    12,544,046.60x = 18,816,069.90 × 7,434,696.20
  4. Step 4: Simplify right side
    12,544,046.60x = 139,891,763,384,464.38
  5. Step 5: Solve for x
    x = 139,891,763,384,464.38/12,544,046.60
  6. Step 6: Final answer
    x = 11,152,044.30

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Similar ratio
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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.