Finding the Fourth Proportional to 17,974,437.60, 26,958,998.78 and 6,612,229.02
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Solution
The fourth proportional to 17,974,437.60, 26,958,998.78 and 6,612,229.02 is: 9,917,365.88
Step by Step Solution
- Step 1: Write the proportion equation
17,974,437.60 : 26,958,998.78 = 6,612,229.02 : x - Step 2: Convert to fraction form
17,974,437.60/26,958,998.78 = 6,612,229.02/x - Step 3: Cross multiply
17,974,437.60x = 26,958,998.78 × 6,612,229.02 - Step 4: Simplify right side
17,974,437.60x = 178,259,074,083,260.59 - Step 5: Solve for x
x = 178,259,074,083,260.59/17,974,437.60 - Step 6: Final answer
x = 9,917,365.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.