Home / 12,604,892.70-18,907,339.05-8,300,220.60

Finding the Fourth Proportional to 12,604,892.70, 18,907,339.05 and 8,300,220.60

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Solution

The fourth proportional to 12,604,892.70, 18,907,339.05 and 8,300,220.60 is: 12,450,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604,892.70 : 18,907,339.05 = 8,300,220.60 : x
  2. Step 2: Convert to fraction form
    12,604,892.70/18,907,339.05 = 8,300,220.60/x
  3. Step 3: Cross multiply
    12,604,892.70x = 18,907,339.05 × 8,300,220.60
  4. Step 4: Simplify right side
    12,604,892.70x = 156,935,085,073,994.44
  5. Step 5: Solve for x
    x = 156,935,085,073,994.44/12,604,892.70
  6. Step 6: Final answer
    x = 12,450,330.90

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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.