Home / 18,208,170.70-27,294,504.36-7,275,101.20

Finding the Fourth Proportional to 18,208,170.70, 27,294,504.36 and 7,275,101.20

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Solution

The fourth proportional to 18,208,170.70, 27,294,504.36 and 7,275,101.20 is: 10,905,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,170.70 : 27,294,504.36 = 7,275,101.20 : x
  2. Step 2: Convert to fraction form
    18,208,170.70/27,294,504.36 = 7,275,101.20/x
  3. Step 3: Cross multiply
    18,208,170.70x = 27,294,504.36 × 7,275,101.20
  4. Step 4: Simplify right side
    18,208,170.70x = 198,570,281,327,323.34
  5. Step 5: Solve for x
    x = 198,570,281,327,323.34/18,208,170.70
  6. Step 6: Final answer
    x = 10,905,559.08

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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.