Home / 40,033,359.36-55,246,133.76-21,698,626.56

Finding the Fourth Proportional to 40,033,359.36, 55,246,133.76 and 21,698,626.56

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Solution

The fourth proportional to 40,033,359.36, 55,246,133.76 and 21,698,626.56 is: 29,944,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,033,359.36 : 55,246,133.76 = 21,698,626.56 : x
  2. Step 2: Convert to fraction form
    40,033,359.36/55,246,133.76 = 21,698,626.56/x
  3. Step 3: Cross multiply
    40,033,359.36x = 55,246,133.76 × 21,698,626.56
  4. Step 4: Simplify right side
    40,033,359.36x = 1,198,765,225,342,048.50
  5. Step 5: Solve for x
    x = 1,198,765,225,342,048.50/40,033,359.36
  6. Step 6: Final answer
    x = 29,944,157.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.