Home / 18,706,096.80-28,059,145.20-11,494,245.60

Finding the Fourth Proportional to 18,706,096.80, 28,059,145.20 and 11,494,245.60

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Solution

The fourth proportional to 18,706,096.80, 28,059,145.20 and 11,494,245.60 is: 17,241,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706,096.80 : 28,059,145.20 = 11,494,245.60 : x
  2. Step 2: Convert to fraction form
    18,706,096.80/28,059,145.20 = 11,494,245.60/x
  3. Step 3: Cross multiply
    18,706,096.80x = 28,059,145.20 × 11,494,245.60
  4. Step 4: Simplify right side
    18,706,096.80x = 322,518,706,254,861.12
  5. Step 5: Solve for x
    x = 322,518,706,254,861.12/18,706,096.80
  6. Step 6: Final answer
    x = 17,241,368.40

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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.