Finding the Fourth Proportional to 8,743,643.96, 12,062,110.56 and 5,686,742.84
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Solution
The fourth proportional to 8,743,643.96, 12,062,110.56 and 5,686,742.84 is: 7,845,026.76
Step by Step Solution
- Step 1: Write the proportion equation
8,743,643.96 : 12,062,110.56 = 5,686,742.84 : x - Step 2: Convert to fraction form
8,743,643.96/12,062,110.56 = 5,686,742.84/x - Step 3: Cross multiply
8,743,643.96x = 12,062,110.56 × 5,686,742.84 - Step 4: Simplify right side
8,743,643.96x = 68,594,120,862,368.39 - Step 5: Solve for x
x = 68,594,120,862,368.39/8,743,643.96 - Step 6: Final answer
x = 7,845,026.76
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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.