Home / 7,859,970.37-11,789,955.56-2,180,194.67

Finding the Fourth Proportional to 7,859,970.37, 11,789,955.56 and 2,180,194.67

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Solution

The fourth proportional to 7,859,970.37, 11,789,955.56 and 2,180,194.67 is: 3,270,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,970.37 : 11,789,955.56 = 2,180,194.67 : x
  2. Step 2: Convert to fraction form
    7,859,970.37/11,789,955.56 = 2,180,194.67/x
  3. Step 3: Cross multiply
    7,859,970.37x = 11,789,955.56 × 2,180,194.67
  4. Step 4: Simplify right side
    7,859,970.37x = 25,704,398,271,448.87
  5. Step 5: Solve for x
    x = 25,704,398,271,448.87/7,859,970.37
  6. Step 6: Final answer
    x = 3,270,292.01

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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.