Home / 12,096,742.40-18,145,113.60-4,522,140.80

Finding the Fourth Proportional to 12,096,742.40, 18,145,113.60 and 4,522,140.80

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Solution

The fourth proportional to 12,096,742.40, 18,145,113.60 and 4,522,140.80 is: 6,783,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,742.40 : 18,145,113.60 = 4,522,140.80 : x
  2. Step 2: Convert to fraction form
    12,096,742.40/18,145,113.60 = 4,522,140.80/x
  3. Step 3: Cross multiply
    12,096,742.40x = 18,145,113.60 × 4,522,140.80
  4. Step 4: Simplify right side
    12,096,742.40x = 82,054,758,531,194.89
  5. Step 5: Solve for x
    x = 82,054,758,531,194.89/12,096,742.40
  6. Step 6: Final answer
    x = 6,783,211.20

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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.