Home / 12,395,819.60-18,593,729.40-8,616,683.60

Finding the Fourth Proportional to 12,395,819.60, 18,593,729.40 and 8,616,683.60

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Solution

The fourth proportional to 12,395,819.60, 18,593,729.40 and 8,616,683.60 is: 12,925,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,819.60 : 18,593,729.40 = 8,616,683.60 : x
  2. Step 2: Convert to fraction form
    12,395,819.60/18,593,729.40 = 8,616,683.60/x
  3. Step 3: Cross multiply
    12,395,819.60x = 18,593,729.40 × 8,616,683.60
  4. Step 4: Simplify right side
    12,395,819.60x = 160,216,283,183,817.81
  5. Step 5: Solve for x
    x = 160,216,283,183,817.81/12,395,819.60
  6. Step 6: Final answer
    x = 12,925,025.40

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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.