Home / 12,914,404.80-19,334,282.40-7,875,556.80

Finding the Fourth Proportional to 12,914,404.80, 19,334,282.40 and 7,875,556.80

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Solution

The fourth proportional to 12,914,404.80, 19,334,282.40 and 7,875,556.80 is: 11,790,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,404.80 : 19,334,282.40 = 7,875,556.80 : x
  2. Step 2: Convert to fraction form
    12,914,404.80/19,334,282.40 = 7,875,556.80/x
  3. Step 3: Cross multiply
    12,914,404.80x = 19,334,282.40 × 7,875,556.80
  4. Step 4: Simplify right side
    12,914,404.80x = 152,268,239,228,440.31
  5. Step 5: Solve for x
    x = 152,268,239,228,440.31/12,914,404.80
  6. Step 6: Final answer
    x = 11,790,573.52

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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.