Home / 20,343,107.48-30,512,243.74-6,692,868.72

Finding the Fourth Proportional to 20,343,107.48, 30,512,243.74 and 6,692,868.72

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Solution

The fourth proportional to 20,343,107.48, 30,512,243.74 and 6,692,868.72 is: 10,038,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,107.48 : 30,512,243.74 = 6,692,868.72 : x
  2. Step 2: Convert to fraction form
    20,343,107.48/30,512,243.74 = 6,692,868.72/x
  3. Step 3: Cross multiply
    20,343,107.48x = 30,512,243.74 × 6,692,868.72
  4. Step 4: Simplify right side
    20,343,107.48x = 204,214,441,704,461.78
  5. Step 5: Solve for x
    x = 204,214,441,704,461.78/20,343,107.48
  6. Step 6: Final answer
    x = 10,038,507.73

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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.