Home / 20,559,941.40-30,839,912.10-18,796,344.60

Finding the Fourth Proportional to 20,559,941.40, 30,839,912.10 and 18,796,344.60

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Solution

The fourth proportional to 20,559,941.40, 30,839,912.10 and 18,796,344.60 is: 28,194,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,941.40 : 30,839,912.10 = 18,796,344.60 : x
  2. Step 2: Convert to fraction form
    20,559,941.40/30,839,912.10 = 18,796,344.60/x
  3. Step 3: Cross multiply
    20,559,941.40x = 30,839,912.10 × 18,796,344.60
  4. Step 4: Simplify right side
    20,559,941.40x = 579,677,615,265,309.75
  5. Step 5: Solve for x
    x = 579,677,615,265,309.75/20,559,941.40
  6. Step 6: Final answer
    x = 28,194,516.90

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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.