Home / 36,819,879-55,220,959.80-11,261,109.84

Finding the Fourth Proportional to 36,819,879, 55,220,959.80 and 11,261,109.84

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Solution

The fourth proportional to 36,819,879, 55,220,959.80 and 11,261,109.84 is: 16,888,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819,879 : 55,220,959.80 = 11,261,109.84 : x
  2. Step 2: Convert to fraction form
    36,819,879/55,220,959.80 = 11,261,109.84/x
  3. Step 3: Cross multiply
    36,819,879x = 55,220,959.80 × 11,261,109.84
  4. Step 4: Simplify right side
    36,819,879x = 621,849,293,778,024.38
  5. Step 5: Solve for x
    x = 621,849,293,778,024.38/36,819,879
  6. Step 6: Final answer
    x = 16,888,955.39

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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.