Finding the Fourth Proportional to 8,081,721.68, 11,153,036.14 and 4,596,971.09
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Solution
The fourth proportional to 8,081,721.68, 11,153,036.14 and 4,596,971.09 is: 6,343,968.11
Step by Step Solution
- Step 1: Write the proportion equation
8,081,721.68 : 11,153,036.14 = 4,596,971.09 : x - Step 2: Convert to fraction form
8,081,721.68/11,153,036.14 = 4,596,971.09/x - Step 3: Cross multiply
8,081,721.68x = 11,153,036.14 × 4,596,971.09 - Step 4: Simplify right side
8,081,721.68x = 51,270,184,632,195.39 - Step 5: Solve for x
x = 51,270,184,632,195.39/8,081,721.68 - Step 6: Final answer
x = 6,343,968.11
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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.