Home / 30,313,059.54-45,468,936.21-8,452,856.49

Finding the Fourth Proportional to 30,313,059.54, 45,468,936.21 and 8,452,856.49

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Solution

The fourth proportional to 30,313,059.54, 45,468,936.21 and 8,452,856.49 is: 12,679,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313,059.54 : 45,468,936.21 = 8,452,856.49 : x
  2. Step 2: Convert to fraction form
    30,313,059.54/45,468,936.21 = 8,452,856.49/x
  3. Step 3: Cross multiply
    30,313,059.54x = 45,468,936.21 × 8,452,856.49
  4. Step 4: Simplify right side
    30,313,059.54x = 384,342,392,536,094.50
  5. Step 5: Solve for x
    x = 384,342,392,536,094.50/30,313,059.54
  6. Step 6: Final answer
    x = 12,679,102.62

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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.