Home / 7,196,138.40-10,796,077.06-2,147,448.90

Finding the Fourth Proportional to 7,196,138.40, 10,796,077.06 and 2,147,448.90

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Solution

The fourth proportional to 7,196,138.40, 10,796,077.06 and 2,147,448.90 is: 3,221,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196,138.40 : 10,796,077.06 = 2,147,448.90 : x
  2. Step 2: Convert to fraction form
    7,196,138.40/10,796,077.06 = 2,147,448.90/x
  3. Step 3: Cross multiply
    7,196,138.40x = 10,796,077.06 × 2,147,448.90
  4. Step 4: Simplify right side
    7,196,138.40x = 23,184,023,806,812.23
  5. Step 5: Solve for x
    x = 23,184,023,806,812.23/7,196,138.40
  6. Step 6: Final answer
    x = 3,221,731.23

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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.