Home / 30,020,708.22-41,448,914.04-19,017,222.54

Finding the Fourth Proportional to 30,020,708.22, 41,448,914.04 and 19,017,222.54

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Solution

The fourth proportional to 30,020,708.22, 41,448,914.04 and 19,017,222.54 is: 26,256,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020,708.22 : 41,448,914.04 = 19,017,222.54 : x
  2. Step 2: Convert to fraction form
    30,020,708.22/41,448,914.04 = 19,017,222.54/x
  3. Step 3: Cross multiply
    30,020,708.22x = 41,448,914.04 × 19,017,222.54
  4. Step 4: Simplify right side
    30,020,708.22x = 788,243,222,340,010.38
  5. Step 5: Solve for x
    x = 788,243,222,340,010.38/30,020,708.22
  6. Step 6: Final answer
    x = 26,256,649.80

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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.