Finding the Fourth Proportional to 19,965,936.66, 27,552,994.64 and 10,798,579.41
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Solution
The fourth proportional to 19,965,936.66, 27,552,994.64 and 10,798,579.41 is: 14,902,040.69
Step by Step Solution
- Step 1: Write the proportion equation
19,965,936.66 : 27,552,994.64 = 10,798,579.41 : x - Step 2: Convert to fraction form
19,965,936.66/27,552,994.64 = 10,798,579.41/x - Step 3: Cross multiply
19,965,936.66x = 27,552,994.64 × 10,798,579.41 - Step 4: Simplify right side
19,965,936.66x = 297,533,200,486,522.44 - Step 5: Solve for x
x = 297,533,200,486,522.44/19,965,936.66 - Step 6: Final answer
x = 14,902,040.69
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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.