Finding the Fourth Proportional to 16,019,858.84, 22,107,511.36 and 8,677,691.99
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Solution
The fourth proportional to 16,019,858.84, 22,107,511.36 and 8,677,691.99 is: 11,975,272.44
Step by Step Solution
- Step 1: Write the proportion equation
16,019,858.84 : 22,107,511.36 = 8,677,691.99 : x - Step 2: Convert to fraction form
16,019,858.84/22,107,511.36 = 8,677,691.99/x - Step 3: Cross multiply
16,019,858.84x = 22,107,511.36 × 8,677,691.99 - Step 4: Simplify right side
16,019,858.84x = 191,842,174,115,274.22 - Step 5: Solve for x
x = 191,842,174,115,274.22/16,019,858.84 - Step 6: Final answer
x = 11,975,272.44
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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.