Home / 13,007,404.80-19,473,782.40-7,968,556.80

Finding the Fourth Proportional to 13,007,404.80, 19,473,782.40 and 7,968,556.80

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Solution

The fourth proportional to 13,007,404.80, 19,473,782.40 and 7,968,556.80 is: 11,929,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007,404.80 : 19,473,782.40 = 7,968,556.80 : x
  2. Step 2: Convert to fraction form
    13,007,404.80/19,473,782.40 = 7,968,556.80/x
  3. Step 3: Cross multiply
    13,007,404.80x = 19,473,782.40 × 7,968,556.80
  4. Step 4: Simplify right side
    13,007,404.80x = 155,177,941,165,240.31
  5. Step 5: Solve for x
    x = 155,177,941,165,240.31/13,007,404.80
  6. Step 6: Final answer
    x = 11,929,969.39

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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.