Home / 20,241,838.60-30,369,756.30-19,541,998.60

Finding the Fourth Proportional to 20,241,838.60, 30,369,756.30 and 19,541,998.60

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Solution

The fourth proportional to 20,241,838.60, 30,369,756.30 and 19,541,998.60 is: 29,319,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241,838.60 : 30,369,756.30 = 19,541,998.60 : x
  2. Step 2: Convert to fraction form
    20,241,838.60/30,369,756.30 = 19,541,998.60/x
  3. Step 3: Cross multiply
    20,241,838.60x = 30,369,756.30 × 19,541,998.60
  4. Step 4: Simplify right side
    20,241,838.60x = 593,485,735,096,941.25
  5. Step 5: Solve for x
    x = 593,485,735,096,941.25/20,241,838.60
  6. Step 6: Final answer
    x = 29,319,754.34

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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.