Finding the Fourth Proportional to 19,685,971.13, 27,169,093.73 and 11,424,259.49
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Solution
The fourth proportional to 19,685,971.13, 27,169,093.73 and 11,424,259.49 is: 15,766,901.96
Step by Step Solution
- Step 1: Write the proportion equation
19,685,971.13 : 27,169,093.73 = 11,424,259.49 : x - Step 2: Convert to fraction form
19,685,971.13/27,169,093.73 = 11,424,259.49/x - Step 3: Cross multiply
19,685,971.13x = 27,169,093.73 × 11,424,259.49 - Step 4: Simplify right side
19,685,971.13x = 310,386,776,822,530.75 - Step 5: Solve for x
x = 310,386,776,822,530.75/19,685,971.13 - Step 6: Final answer
x = 15,766,901.96
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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.