Finding the Fourth Proportional to 13,511,044.43, 18,646,572.44 and 7,710,699.23
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Solution
The fourth proportional to 13,511,044.43, 18,646,572.44 and 7,710,699.23 is: 10,641,524.60
Step by Step Solution
- Step 1: Write the proportion equation
13,511,044.43 : 18,646,572.44 = 7,710,699.23 : x - Step 2: Convert to fraction form
13,511,044.43/18,646,572.44 = 7,710,699.23/x - Step 3: Cross multiply
13,511,044.43x = 18,646,572.44 × 7,710,699.23 - Step 4: Simplify right side
13,511,044.43x = 143,778,111,716,693.72 - Step 5: Solve for x
x = 143,778,111,716,693.72/13,511,044.43 - Step 6: Final answer
x = 10,641,524.60
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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.