Home / 13,485,490.24-18,594,075-10,899,173.20

Finding the Fourth Proportional to 13,485,490.24, 18,594,075 and 10,899,173.20

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Solution

The fourth proportional to 13,485,490.24, 18,594,075 and 10,899,173.20 is: 15,028,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,490.24 : 18,594,075 = 10,899,173.20 : x
  2. Step 2: Convert to fraction form
    13,485,490.24/18,594,075 = 10,899,173.20/x
  3. Step 3: Cross multiply
    13,485,490.24x = 18,594,075 × 10,899,173.20
  4. Step 4: Simplify right side
    13,485,490.24x = 202,660,043,918,790
  5. Step 5: Solve for x
    x = 202,660,043,918,790/13,485,490.24
  6. Step 6: Final answer
    x = 15,028,007.16

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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.