Finding the Fourth Proportional to 19,944,930.35, 27,519,315.71 and 12,104,268.66
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Solution
The fourth proportional to 19,944,930.35, 27,519,315.71 and 12,104,268.66 is: 16,701,045.57
Step by Step Solution
- Step 1: Write the proportion equation
19,944,930.35 : 27,519,315.71 = 12,104,268.66 : x - Step 2: Convert to fraction form
19,944,930.35/27,519,315.71 = 12,104,268.66/x - Step 3: Cross multiply
19,944,930.35x = 27,519,315.71 × 12,104,268.66 - Step 4: Simplify right side
19,944,930.35x = 333,101,190,723,459.31 - Step 5: Solve for x
x = 333,101,190,723,459.31/19,944,930.35 - Step 6: Final answer
x = 16,701,045.57
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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.