Finding the Fourth Proportional to 27,182,645.58, 40,773,926.61 and 18,637,075.02
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Solution
The fourth proportional to 27,182,645.58, 40,773,926.61 and 18,637,075.02 is: 27,955,583.90
Step by Step Solution
- Step 1: Write the proportion equation
27,182,645.58 : 40,773,926.61 = 18,637,075.02 : x - Step 2: Convert to fraction form
27,182,645.58/40,773,926.61 = 18,637,075.02/x - Step 3: Cross multiply
27,182,645.58x = 40,773,926.61 × 18,637,075.02 - Step 4: Simplify right side
27,182,645.58x = 759,906,729,090,544.25 - Step 5: Solve for x
x = 759,906,729,090,544.25/27,182,645.58 - Step 6: Final answer
x = 27,955,583.90
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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.