Home / 13,424,576.40-20,147,362.20-6,237,000.90

Finding the Fourth Proportional to 13,424,576.40, 20,147,362.20 and 6,237,000.90

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Solution

The fourth proportional to 13,424,576.40, 20,147,362.20 and 6,237,000.90 is: 9,360,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424,576.40 : 20,147,362.20 = 6,237,000.90 : x
  2. Step 2: Convert to fraction form
    13,424,576.40/20,147,362.20 = 6,237,000.90/x
  3. Step 3: Cross multiply
    13,424,576.40x = 20,147,362.20 × 6,237,000.90
  4. Step 4: Simplify right side
    13,424,576.40x = 125,659,116,174,025.98
  5. Step 5: Solve for x
    x = 125,659,116,174,025.98/13,424,576.40
  6. Step 6: Final answer
    x = 9,360,378.49

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1.5x scale

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.