Home / 18,212,388.51-25,134,528.85-10,372,232.26

Finding the Fourth Proportional to 18,212,388.51, 25,134,528.85 and 10,372,232.26

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Solution

The fourth proportional to 18,212,388.51, 25,134,528.85 and 10,372,232.26 is: 14,314,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212,388.51 : 25,134,528.85 = 10,372,232.26 : x
  2. Step 2: Convert to fraction form
    18,212,388.51/25,134,528.85 = 10,372,232.26/x
  3. Step 3: Cross multiply
    18,212,388.51x = 25,134,528.85 × 10,372,232.26
  4. Step 4: Simplify right side
    18,212,388.51x = 260,701,170,889,103.81
  5. Step 5: Solve for x
    x = 260,701,170,889,103.81/18,212,388.51
  6. Step 6: Final answer
    x = 14,314,496.46

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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.