Home / 15,522,258.48-21,421,361.96-8,646,738.64

Finding the Fourth Proportional to 15,522,258.48, 21,421,361.96 and 8,646,738.64

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Solution

The fourth proportional to 15,522,258.48, 21,421,361.96 and 8,646,738.64 is: 11,932,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522,258.48 : 21,421,361.96 = 8,646,738.64 : x
  2. Step 2: Convert to fraction form
    15,522,258.48/21,421,361.96 = 8,646,738.64/x
  3. Step 3: Cross multiply
    15,522,258.48x = 21,421,361.96 × 8,646,738.64
  4. Step 4: Simplify right side
    15,522,258.48x = 185,224,918,180,958.16
  5. Step 5: Solve for x
    x = 185,224,918,180,958.16/15,522,258.48
  6. Step 6: Final answer
    x = 11,932,858.77

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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.