Finding the Fourth Proportional to 35,636,453.20, 49,178,305.40 and 19,338,929.20
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Solution
The fourth proportional to 35,636,453.20, 49,178,305.40 and 19,338,929.20 is: 26,687,722.28
Step by Step Solution
- Step 1: Write the proportion equation
35,636,453.20 : 49,178,305.40 = 19,338,929.20 : x - Step 2: Convert to fraction form
35,636,453.20/49,178,305.40 = 19,338,929.20/x - Step 3: Cross multiply
35,636,453.20x = 49,178,305.40 × 19,338,929.20 - Step 4: Simplify right side
35,636,453.20x = 951,055,765,963,991.62 - Step 5: Solve for x
x = 951,055,765,963,991.62/35,636,453.20 - Step 6: Final answer
x = 26,687,722.28
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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.