Home / 9,168,693.40-13,753,040.10-8,212,099.60

Finding the Fourth Proportional to 9,168,693.40, 13,753,040.10 and 8,212,099.60

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Solution

The fourth proportional to 9,168,693.40, 13,753,040.10 and 8,212,099.60 is: 12,318,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,693.40 : 13,753,040.10 = 8,212,099.60 : x
  2. Step 2: Convert to fraction form
    9,168,693.40/13,753,040.10 = 8,212,099.60/x
  3. Step 3: Cross multiply
    9,168,693.40x = 13,753,040.10 × 8,212,099.60
  4. Step 4: Simplify right side
    9,168,693.40x = 112,941,335,103,993.95
  5. Step 5: Solve for x
    x = 112,941,335,103,993.95/9,168,693.40
  6. Step 6: Final answer
    x = 12,318,149.40

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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.