Home / 7,413,898.40-11,120,847.60-4,427,914.40

Finding the Fourth Proportional to 7,413,898.40, 11,120,847.60 and 4,427,914.40

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Solution

The fourth proportional to 7,413,898.40, 11,120,847.60 and 4,427,914.40 is: 6,641,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413,898.40 : 11,120,847.60 = 4,427,914.40 : x
  2. Step 2: Convert to fraction form
    7,413,898.40/11,120,847.60 = 4,427,914.40/x
  3. Step 3: Cross multiply
    7,413,898.40x = 11,120,847.60 × 4,427,914.40
  4. Step 4: Simplify right side
    7,413,898.40x = 49,242,161,228,245.45
  5. Step 5: Solve for x
    x = 49,242,161,228,245.45/7,413,898.40
  6. Step 6: Final answer
    x = 6,641,871.60

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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.