Home / 12,347,936.28-18,433,812.80-11,527,356.12

Finding the Fourth Proportional to 12,347,936.28, 18,433,812.80 and 11,527,356.12

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Solution

The fourth proportional to 12,347,936.28, 18,433,812.80 and 11,527,356.12 is: 17,208,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,936.28 : 18,433,812.80 = 11,527,356.12 : x
  2. Step 2: Convert to fraction form
    12,347,936.28/18,433,812.80 = 11,527,356.12/x
  3. Step 3: Cross multiply
    12,347,936.28x = 18,433,812.80 × 11,527,356.12
  4. Step 4: Simplify right side
    12,347,936.28x = 212,493,124,795,014.34
  5. Step 5: Solve for x
    x = 212,493,124,795,014.34/12,347,936.28
  6. Step 6: Final answer
    x = 17,208,796.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.