Home / 12,455,557.60-18,683,336.40-11,195,845.60

Finding the Fourth Proportional to 12,455,557.60, 18,683,336.40 and 11,195,845.60

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Solution

The fourth proportional to 12,455,557.60, 18,683,336.40 and 11,195,845.60 is: 16,793,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,557.60 : 18,683,336.40 = 11,195,845.60 : x
  2. Step 2: Convert to fraction form
    12,455,557.60/18,683,336.40 = 11,195,845.60/x
  3. Step 3: Cross multiply
    12,455,557.60x = 18,683,336.40 × 11,195,845.60
  4. Step 4: Simplify right side
    12,455,557.60x = 209,175,749,627,259.81
  5. Step 5: Solve for x
    x = 209,175,749,627,259.81/12,455,557.60
  6. Step 6: Final answer
    x = 16,793,768.40

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Double scale
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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.