Finding the Fourth Proportional to 27,943,918.80, 41,831,897.40 and 16,578,517.20
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Solution
The fourth proportional to 27,943,918.80, 41,831,897.40 and 16,578,517.20 is: 24,817,951.82
Step by Step Solution
- Step 1: Write the proportion equation
27,943,918.80 : 41,831,897.40 = 16,578,517.20 : x - Step 2: Convert to fraction form
27,943,918.80/41,831,897.40 = 16,578,517.20/x - Step 3: Cross multiply
27,943,918.80x = 41,831,897.40 × 16,578,517.20 - Step 4: Simplify right side
27,943,918.80x = 693,510,830,554,535.25 - Step 5: Solve for x
x = 693,510,830,554,535.25/27,943,918.80 - Step 6: Final answer
x = 24,817,951.82
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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.