Finding the Fourth Proportional to 34,698,969.09, 47,906,349.73 and 22,330,557.35
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Solution
The fourth proportional to 34,698,969.09, 47,906,349.73 and 22,330,557.35 is: 30,830,180.78
Step by Step Solution
- Step 1: Write the proportion equation
34,698,969.09 : 47,906,349.73 = 22,330,557.35 : x - Step 2: Convert to fraction form
34,698,969.09/47,906,349.73 = 22,330,557.35/x - Step 3: Cross multiply
34,698,969.09x = 47,906,349.73 × 22,330,557.35 - Step 4: Simplify right side
34,698,969.09x = 1,069,775,490,074,922 - Step 5: Solve for x
x = 1,069,775,490,074,922/34,698,969.09 - Step 6: Final answer
x = 30,830,180.78
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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.