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Finding the Fourth Proportional to 9,778,220.40, 14,672,579.40 and 4,099,018.80

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Solution

The fourth proportional to 9,778,220.40, 14,672,579.40 and 4,099,018.80 is: 6,150,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,220.40 : 14,672,579.40 = 4,099,018.80 : x
  2. Step 2: Convert to fraction form
    9,778,220.40/14,672,579.40 = 4,099,018.80/x
  3. Step 3: Cross multiply
    9,778,220.40x = 14,672,579.40 × 4,099,018.80
  4. Step 4: Simplify right side
    9,778,220.40x = 60,143,178,805,092.72
  5. Step 5: Solve for x
    x = 60,143,178,805,092.72/9,778,220.40
  6. Step 6: Final answer
    x = 6,150,728.49

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Double scale
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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.