Home / 8,522,318.40-12,783,477.60-6,282,830.40

Finding the Fourth Proportional to 8,522,318.40, 12,783,477.60 and 6,282,830.40

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Solution

The fourth proportional to 8,522,318.40, 12,783,477.60 and 6,282,830.40 is: 9,424,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,318.40 : 12,783,477.60 = 6,282,830.40 : x
  2. Step 2: Convert to fraction form
    8,522,318.40/12,783,477.60 = 6,282,830.40/x
  3. Step 3: Cross multiply
    8,522,318.40x = 12,783,477.60 × 6,282,830.40
  4. Step 4: Simplify right side
    8,522,318.40x = 80,316,421,682,999.05
  5. Step 5: Solve for x
    x = 80,316,421,682,999.05/8,522,318.40
  6. Step 6: Final answer
    x = 9,424,245.60

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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.