Home / 30,313,592.76-45,469,732.60-8,453,388.69

Finding the Fourth Proportional to 30,313,592.76, 45,469,732.60 and 8,453,388.69

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Solution

The fourth proportional to 30,313,592.76, 45,469,732.60 and 8,453,388.69 is: 12,679,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313,592.76 : 45,469,732.60 = 8,453,388.69 : x
  2. Step 2: Convert to fraction form
    30,313,592.76/45,469,732.60 = 8,453,388.69/x
  3. Step 3: Cross multiply
    30,313,592.76x = 45,469,732.60 × 8,453,388.69
  4. Step 4: Simplify right side
    30,313,592.76x = 384,373,323,298,164.31
  5. Step 5: Solve for x
    x = 384,373,323,298,164.31/30,313,592.76
  6. Step 6: Final answer
    x = 12,679,899.95

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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.