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Finding the Fourth Proportional to 8,984,807.90, 13,477,211.85 and 8,014,363.10

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Solution

The fourth proportional to 8,984,807.90, 13,477,211.85 and 8,014,363.10 is: 12,021,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984,807.90 : 13,477,211.85 = 8,014,363.10 : x
  2. Step 2: Convert to fraction form
    8,984,807.90/13,477,211.85 = 8,014,363.10/x
  3. Step 3: Cross multiply
    8,984,807.90x = 13,477,211.85 × 8,014,363.10
  4. Step 4: Simplify right side
    8,984,807.90x = 108,011,269,341,522.73
  5. Step 5: Solve for x
    x = 108,011,269,341,522.73/8,984,807.90
  6. Step 6: Final answer
    x = 12,021,544.65

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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.