Home / 18,241,806.40-27,362,709.60-7,452,023.20

Finding the Fourth Proportional to 18,241,806.40, 27,362,709.60 and 7,452,023.20

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Solution

The fourth proportional to 18,241,806.40, 27,362,709.60 and 7,452,023.20 is: 11,178,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241,806.40 : 27,362,709.60 = 7,452,023.20 : x
  2. Step 2: Convert to fraction form
    18,241,806.40/27,362,709.60 = 7,452,023.20/x
  3. Step 3: Cross multiply
    18,241,806.40x = 27,362,709.60 × 7,452,023.20
  4. Step 4: Simplify right side
    18,241,806.40x = 203,907,546,754,062.75
  5. Step 5: Solve for x
    x = 203,907,546,754,062.75/18,241,806.40
  6. Step 6: Final answer
    x = 11,178,034.80

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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.