Finding the Fourth Proportional to 18,444,608.96, 27,670,646.08 and 6,478,278.08
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Solution
The fourth proportional to 18,444,608.96, 27,670,646.08 and 6,478,278.08 is: 9,718,728.13
Step by Step Solution
- Step 1: Write the proportion equation
18,444,608.96 : 27,670,646.08 = 6,478,278.08 : x - Step 2: Convert to fraction form
18,444,608.96/27,670,646.08 = 6,478,278.08/x - Step 3: Cross multiply
18,444,608.96x = 27,670,646.08 × 6,478,278.08 - Step 4: Simplify right side
18,444,608.96x = 179,258,139,959,501.91 - Step 5: Solve for x
x = 179,258,139,959,501.91/18,444,608.96 - Step 6: Final answer
x = 9,718,728.13
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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.