Home / 13,621,096.62-18,796,263.03-7,509,525.12

Finding the Fourth Proportional to 13,621,096.62, 18,796,263.03 and 7,509,525.12

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Solution

The fourth proportional to 13,621,096.62, 18,796,263.03 and 7,509,525.12 is: 10,362,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,096.62 : 18,796,263.03 = 7,509,525.12 : x
  2. Step 2: Convert to fraction form
    13,621,096.62/18,796,263.03 = 7,509,525.12/x
  3. Step 3: Cross multiply
    13,621,096.62x = 18,796,263.03 × 7,509,525.12
  4. Step 4: Simplify right side
    13,621,096.62x = 141,151,009,385,912.31
  5. Step 5: Solve for x
    x = 141,151,009,385,912.31/13,621,096.62
  6. Step 6: Final answer
    x = 10,362,675.88

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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.