Home / 7,260,039.60-10,890,059.40-6,905,745.60

Finding the Fourth Proportional to 7,260,039.60, 10,890,059.40 and 6,905,745.60

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Solution

The fourth proportional to 7,260,039.60, 10,890,059.40 and 6,905,745.60 is: 10,358,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,039.60 : 10,890,059.40 = 6,905,745.60 : x
  2. Step 2: Convert to fraction form
    7,260,039.60/10,890,059.40 = 6,905,745.60/x
  3. Step 3: Cross multiply
    7,260,039.60x = 10,890,059.40 × 6,905,745.60
  4. Step 4: Simplify right side
    7,260,039.60x = 75,203,979,785,288.64
  5. Step 5: Solve for x
    x = 75,203,979,785,288.64/7,260,039.60
  6. Step 6: Final answer
    x = 10,358,618.40

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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.