Home / 21,964,228.80-30,300,383.52-13,819,957.44

Finding the Fourth Proportional to 21,964,228.80, 30,300,383.52 and 13,819,957.44

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Solution

The fourth proportional to 21,964,228.80, 30,300,383.52 and 13,819,957.44 is: 19,065,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964,228.80 : 30,300,383.52 = 13,819,957.44 : x
  2. Step 2: Convert to fraction form
    21,964,228.80/30,300,383.52 = 13,819,957.44/x
  3. Step 3: Cross multiply
    21,964,228.80x = 30,300,383.52 × 13,819,957.44
  4. Step 4: Simplify right side
    21,964,228.80x = 418,750,010,662,077.38
  5. Step 5: Solve for x
    x = 418,750,010,662,077.38/21,964,228.80
  6. Step 6: Final answer
    x = 19,065,090.54

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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.