Home / 7,777,280.60-11,665,920.90-4,940,595.80

Finding the Fourth Proportional to 7,777,280.60, 11,665,920.90 and 4,940,595.80

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Solution

The fourth proportional to 7,777,280.60, 11,665,920.90 and 4,940,595.80 is: 7,410,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,280.60 : 11,665,920.90 = 4,940,595.80 : x
  2. Step 2: Convert to fraction form
    7,777,280.60/11,665,920.90 = 4,940,595.80/x
  3. Step 3: Cross multiply
    7,777,280.60x = 11,665,920.90 × 4,940,595.80
  4. Step 4: Simplify right side
    7,777,280.60x = 57,636,599,801,672.22
  5. Step 5: Solve for x
    x = 57,636,599,801,672.22/7,777,280.60
  6. Step 6: Final answer
    x = 7,410,893.70

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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.