Home / 18,322,431.20-27,483,646.80-11,598,437.60

Finding the Fourth Proportional to 18,322,431.20, 27,483,646.80 and 11,598,437.60

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Solution

The fourth proportional to 18,322,431.20, 27,483,646.80 and 11,598,437.60 is: 17,397,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322,431.20 : 27,483,646.80 = 11,598,437.60 : x
  2. Step 2: Convert to fraction form
    18,322,431.20/27,483,646.80 = 11,598,437.60/x
  3. Step 3: Cross multiply
    18,322,431.20x = 27,483,646.80 × 11,598,437.60
  4. Step 4: Simplify right side
    18,322,431.20x = 318,767,362,430,239.69
  5. Step 5: Solve for x
    x = 318,767,362,430,239.69/18,322,431.20
  6. Step 6: Final answer
    x = 17,397,656.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.