Home / 12,455,563.60-18,683,345.40-11,195,851.60

Finding the Fourth Proportional to 12,455,563.60, 18,683,345.40 and 11,195,851.60

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Solution

The fourth proportional to 12,455,563.60, 18,683,345.40 and 11,195,851.60 is: 16,793,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,563.60 : 18,683,345.40 = 11,195,851.60 : x
  2. Step 2: Convert to fraction form
    12,455,563.60/18,683,345.40 = 11,195,851.60/x
  3. Step 3: Cross multiply
    12,455,563.60x = 18,683,345.40 × 11,195,851.60
  4. Step 4: Simplify right side
    12,455,563.60x = 209,175,962,489,942.62
  5. Step 5: Solve for x
    x = 209,175,962,489,942.62/12,455,563.60
  6. Step 6: Final answer
    x = 16,793,777.40

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Similar ratio
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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.