Home / 13,157,529.23-18,158,071.34-7,576,604.73

Finding the Fourth Proportional to 13,157,529.23, 18,158,071.34 and 7,576,604.73

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Solution

The fourth proportional to 13,157,529.23, 18,158,071.34 and 7,576,604.73 is: 10,456,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,529.23 : 18,158,071.34 = 7,576,604.73 : x
  2. Step 2: Convert to fraction form
    13,157,529.23/18,158,071.34 = 7,576,604.73/x
  3. Step 3: Cross multiply
    13,157,529.23x = 18,158,071.34 × 7,576,604.73
  4. Step 4: Simplify right side
    13,157,529.23x = 137,576,529,221,262.97
  5. Step 5: Solve for x
    x = 137,576,529,221,262.97/13,157,529.23
  6. Step 6: Final answer
    x = 10,456,106.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.