Home / 13,855,362.96-20,786,433.06-9,764,665.68

Finding the Fourth Proportional to 13,855,362.96, 20,786,433.06 and 9,764,665.68

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Solution

The fourth proportional to 13,855,362.96, 20,786,433.06 and 9,764,665.68 is: 14,649,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,362.96 : 20,786,433.06 = 9,764,665.68 : x
  2. Step 2: Convert to fraction form
    13,855,362.96/20,786,433.06 = 9,764,665.68/x
  3. Step 3: Cross multiply
    13,855,362.96x = 20,786,433.06 × 9,764,665.68
  4. Step 4: Simplify right side
    13,855,362.96x = 202,972,569,510,599.38
  5. Step 5: Solve for x
    x = 202,972,569,510,599.38/13,855,362.96
  6. Step 6: Final answer
    x = 14,649,386.67

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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.