Home / 8,522,298.40-12,783,447.60-6,282,810.40

Finding the Fourth Proportional to 8,522,298.40, 12,783,447.60 and 6,282,810.40

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Solution

The fourth proportional to 8,522,298.40, 12,783,447.60 and 6,282,810.40 is: 9,424,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,298.40 : 12,783,447.60 = 6,282,810.40 : x
  2. Step 2: Convert to fraction form
    8,522,298.40/12,783,447.60 = 6,282,810.40/x
  3. Step 3: Cross multiply
    8,522,298.40x = 12,783,447.60 × 6,282,810.40
  4. Step 4: Simplify right side
    8,522,298.40x = 80,315,977,529,135.05
  5. Step 5: Solve for x
    x = 80,315,977,529,135.05/8,522,298.40
  6. Step 6: Final answer
    x = 9,424,215.60

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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.