Home / 39,106,815.14-58,660,222.93-20,855,716.48

Finding the Fourth Proportional to 39,106,815.14, 58,660,222.93 and 20,855,716.48

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Solution

The fourth proportional to 39,106,815.14, 58,660,222.93 and 20,855,716.48 is: 31,283,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106,815.14 : 58,660,222.93 = 20,855,716.48 : x
  2. Step 2: Convert to fraction form
    39,106,815.14/58,660,222.93 = 20,855,716.48/x
  3. Step 3: Cross multiply
    39,106,815.14x = 58,660,222.93 × 20,855,716.48
  4. Step 4: Simplify right side
    39,106,815.14x = 1,223,400,978,220,153.25
  5. Step 5: Solve for x
    x = 1,223,400,978,220,153.25/39,106,815.14
  6. Step 6: Final answer
    x = 31,283,574.84

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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.