Finding the Fourth Proportional to 7,320,924.13, 10,103,480.58 and 4,058,762.53
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Solution
The fourth proportional to 7,320,924.13, 10,103,480.58 and 4,058,762.53 is: 5,601,427.86
Step by Step Solution
- Step 1: Write the proportion equation
7,320,924.13 : 10,103,480.58 = 4,058,762.53 : x - Step 2: Convert to fraction form
7,320,924.13/10,103,480.58 = 4,058,762.53/x - Step 3: Cross multiply
7,320,924.13x = 10,103,480.58 × 4,058,762.53 - Step 4: Simplify right side
7,320,924.13x = 41,007,628,400,686.66 - Step 5: Solve for x
x = 41,007,628,400,686.66/7,320,924.13 - Step 6: Final answer
x = 5,601,427.86
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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.