Finding the Fourth Proportional to 19,580,149.94, 27,019,020.84 and 11,320,742.66
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Solution
The fourth proportional to 19,580,149.94, 27,019,020.84 and 11,320,742.66 is: 15,621,707.84
Step by Step Solution
- Step 1: Write the proportion equation
19,580,149.94 : 27,019,020.84 = 11,320,742.66 : x - Step 2: Convert to fraction form
19,580,149.94/27,019,020.84 = 11,320,742.66/x - Step 3: Cross multiply
19,580,149.94x = 27,019,020.84 × 11,320,742.66 - Step 4: Simplify right side
19,580,149.94x = 305,875,381,854,817.06 - Step 5: Solve for x
x = 305,875,381,854,817.06/19,580,149.94 - Step 6: Final answer
x = 15,621,707.84
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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.