Home / 28,609,586-39,481,434-15,556,751.36

Finding the Fourth Proportional to 28,609,586, 39,481,434 and 15,556,751.36

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Solution

The fourth proportional to 28,609,586, 39,481,434 and 15,556,751.36 is: 21,468,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609,586 : 39,481,434 = 15,556,751.36 : x
  2. Step 2: Convert to fraction form
    28,609,586/39,481,434 = 15,556,751.36/x
  3. Step 3: Cross multiply
    28,609,586x = 39,481,434 × 15,556,751.36
  4. Step 4: Simplify right side
    28,609,586x = 614,202,852,074,250.25
  5. Step 5: Solve for x
    x = 614,202,852,074,250.25/28,609,586
  6. Step 6: Final answer
    x = 21,468,428.52

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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.