Home / 7,212,031.49-9,952,605.87-3,949,052.60

Finding the Fourth Proportional to 7,212,031.49, 9,952,605.87 and 3,949,052.60

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Solution

The fourth proportional to 7,212,031.49, 9,952,605.87 and 3,949,052.60 is: 5,449,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,031.49 : 9,952,605.87 = 3,949,052.60 : x
  2. Step 2: Convert to fraction form
    7,212,031.49/9,952,605.87 = 3,949,052.60/x
  3. Step 3: Cross multiply
    7,212,031.49x = 9,952,605.87 × 3,949,052.60
  4. Step 4: Simplify right side
    7,212,031.49x = 39,303,364,087,698.76
  5. Step 5: Solve for x
    x = 39,303,364,087,698.76/7,212,031.49
  6. Step 6: Final answer
    x = 5,449,693.91

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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.