Home / 28,522,416.40-42,783,624.60-8,327,658.40

Finding the Fourth Proportional to 28,522,416.40, 42,783,624.60 and 8,327,658.40

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Solution

The fourth proportional to 28,522,416.40, 42,783,624.60 and 8,327,658.40 is: 12,491,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,416.40 : 42,783,624.60 = 8,327,658.40 : x
  2. Step 2: Convert to fraction form
    28,522,416.40/42,783,624.60 = 8,327,658.40/x
  3. Step 3: Cross multiply
    28,522,416.40x = 42,783,624.60 × 8,327,658.40
  4. Step 4: Simplify right side
    28,522,416.40x = 356,287,410,782,636.69
  5. Step 5: Solve for x
    x = 356,287,410,782,636.69/28,522,416.40
  6. Step 6: Final answer
    x = 12,491,487.60

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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.