Home / 7,341,786.40-11,012,679.60-5,315,749.60

Finding the Fourth Proportional to 7,341,786.40, 11,012,679.60 and 5,315,749.60

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Solution

The fourth proportional to 7,341,786.40, 11,012,679.60 and 5,315,749.60 is: 7,973,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,786.40 : 11,012,679.60 = 5,315,749.60 : x
  2. Step 2: Convert to fraction form
    7,341,786.40/11,012,679.60 = 5,315,749.60/x
  3. Step 3: Cross multiply
    7,341,786.40x = 11,012,679.60 × 5,315,749.60
  4. Step 4: Simplify right side
    7,341,786.40x = 58,540,647,178,628.16
  5. Step 5: Solve for x
    x = 58,540,647,178,628.16/7,341,786.40
  6. Step 6: Final answer
    x = 7,973,624.40

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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.