Home / 38,480,957.22-53,103,064.59-20,839,716.47

Finding the Fourth Proportional to 38,480,957.22, 53,103,064.59 and 20,839,716.47

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Solution

The fourth proportional to 38,480,957.22, 53,103,064.59 and 20,839,716.47 is: 28,758,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480,957.22 : 53,103,064.59 = 20,839,716.47 : x
  2. Step 2: Convert to fraction form
    38,480,957.22/53,103,064.59 = 20,839,716.47/x
  3. Step 3: Cross multiply
    38,480,957.22x = 53,103,064.59 × 20,839,716.47
  4. Step 4: Simplify right side
    38,480,957.22x = 1,106,652,809,743,696.75
  5. Step 5: Solve for x
    x = 1,106,652,809,743,696.75/38,480,957.22
  6. Step 6: Final answer
    x = 28,758,453.26

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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.