Home / 12,096,927.60-18,145,391.40-12,012,946.80

Finding the Fourth Proportional to 12,096,927.60, 18,145,391.40 and 12,012,946.80

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Solution

The fourth proportional to 12,096,927.60, 18,145,391.40 and 12,012,946.80 is: 18,019,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,927.60 : 18,145,391.40 = 12,012,946.80 : x
  2. Step 2: Convert to fraction form
    12,096,927.60/18,145,391.40 = 12,012,946.80/x
  3. Step 3: Cross multiply
    12,096,927.60x = 18,145,391.40 × 12,012,946.80
  4. Step 4: Simplify right side
    12,096,927.60x = 217,979,621,553,377.50
  5. Step 5: Solve for x
    x = 217,979,621,553,377.50/12,096,927.60
  6. Step 6: Final answer
    x = 18,019,420.20

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Double scale
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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.