Finding the Fourth Proportional to 33,681,259.98, 46,478,230.38 and 18,996,048.54
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Solution
The fourth proportional to 33,681,259.98, 46,478,230.38 and 18,996,048.54 is: 26,213,470.66
Step by Step Solution
- Step 1: Write the proportion equation
33,681,259.98 : 46,478,230.38 = 18,996,048.54 : x - Step 2: Convert to fraction form
33,681,259.98/46,478,230.38 = 18,996,048.54/x - Step 3: Cross multiply
33,681,259.98x = 46,478,230.38 × 18,996,048.54 - Step 4: Simplify right side
33,681,259.98x = 882,902,720,351,782.62 - Step 5: Solve for x
x = 882,902,720,351,782.62/33,681,259.98 - Step 6: Final answer
x = 26,213,470.66
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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.