Finding the Fourth Proportional to 19,696,391.64, 27,183,326.76 and 16,382,840.40
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Solution
The fourth proportional to 19,696,391.64, 27,183,326.76 and 16,382,840.40 is: 22,610,238.06
Step by Step Solution
- Step 1: Write the proportion equation
19,696,391.64 : 27,183,326.76 = 16,382,840.40 : x - Step 2: Convert to fraction form
19,696,391.64/27,183,326.76 = 16,382,840.40/x - Step 3: Cross multiply
19,696,391.64x = 27,183,326.76 × 16,382,840.40 - Step 4: Simplify right side
19,696,391.64x = 445,340,103,850,129.12 - Step 5: Solve for x
x = 445,340,103,850,129.12/19,696,391.64 - Step 6: Final answer
x = 22,610,238.06
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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.