Home / 13,428,185.80-20,148,231.66-7,036,918.60

Finding the Fourth Proportional to 13,428,185.80, 20,148,231.66 and 7,036,918.60

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Solution

The fourth proportional to 13,428,185.80, 20,148,231.66 and 7,036,918.60 is: 10,558,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,185.80 : 20,148,231.66 = 7,036,918.60 : x
  2. Step 2: Convert to fraction form
    13,428,185.80/20,148,231.66 = 7,036,918.60/x
  3. Step 3: Cross multiply
    13,428,185.80x = 20,148,231.66 × 7,036,918.60
  4. Step 4: Simplify right side
    13,428,185.80x = 141,781,466,125,362.88
  5. Step 5: Solve for x
    x = 141,781,466,125,362.88/13,428,185.80
  6. Step 6: Final answer
    x = 10,558,497.49

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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.