Home / 12,783,396.60-19,175,094.90-11,066,455.80

Finding the Fourth Proportional to 12,783,396.60, 19,175,094.90 and 11,066,455.80

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Solution

The fourth proportional to 12,783,396.60, 19,175,094.90 and 11,066,455.80 is: 16,599,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,396.60 : 19,175,094.90 = 11,066,455.80 : x
  2. Step 2: Convert to fraction form
    12,783,396.60/19,175,094.90 = 11,066,455.80/x
  3. Step 3: Cross multiply
    12,783,396.60x = 19,175,094.90 × 11,066,455.80
  4. Step 4: Simplify right side
    12,783,396.60x = 212,200,340,171,655.41
  5. Step 5: Solve for x
    x = 212,200,340,171,655.41/12,783,396.60
  6. Step 6: Final answer
    x = 16,599,683.70

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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.