Home / 12,414,000.40-18,621,000.60-3,438,552.40

Finding the Fourth Proportional to 12,414,000.40, 18,621,000.60 and 3,438,552.40

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Solution

The fourth proportional to 12,414,000.40, 18,621,000.60 and 3,438,552.40 is: 5,157,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414,000.40 : 18,621,000.60 = 3,438,552.40 : x
  2. Step 2: Convert to fraction form
    12,414,000.40/18,621,000.60 = 3,438,552.40/x
  3. Step 3: Cross multiply
    12,414,000.40x = 18,621,000.60 × 3,438,552.40
  4. Step 4: Simplify right side
    12,414,000.40x = 64,029,286,303,531.45
  5. Step 5: Solve for x
    x = 64,029,286,303,531.45/12,414,000.40
  6. Step 6: Final answer
    x = 5,157,828.60

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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.