Finding the Fourth Proportional to 10,403,452.80, 15,601,308.16 and 3,578,110.08
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Solution
The fourth proportional to 10,403,452.80, 15,601,308.16 and 3,578,110.08 is: 5,365,833.73
Step by Step Solution
- Step 1: Write the proportion equation
10,403,452.80 : 15,601,308.16 = 3,578,110.08 : x - Step 2: Convert to fraction form
10,403,452.80/15,601,308.16 = 3,578,110.08/x - Step 3: Cross multiply
10,403,452.80x = 15,601,308.16 × 3,578,110.08 - Step 4: Simplify right side
10,403,452.80x = 55,823,197,988,482.26 - Step 5: Solve for x
x = 55,823,197,988,482.26/10,403,452.80 - Step 6: Final answer
x = 5,365,833.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.