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Finding the Fourth Proportional to 9,308,367.70, 13,962,551.55 and 8,076,649.30

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Solution

The fourth proportional to 9,308,367.70, 13,962,551.55 and 8,076,649.30 is: 12,114,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308,367.70 : 13,962,551.55 = 8,076,649.30 : x
  2. Step 2: Convert to fraction form
    9,308,367.70/13,962,551.55 = 8,076,649.30/x
  3. Step 3: Cross multiply
    9,308,367.70x = 13,962,551.55 × 8,076,649.30
  4. Step 4: Simplify right side
    9,308,367.70x = 112,770,632,202,521.42
  5. Step 5: Solve for x
    x = 112,770,632,202,521.42/9,308,367.70
  6. Step 6: Final answer
    x = 12,114,973.95

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Double scale
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Similar ratio
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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.