Finding the Fourth Proportional to 19,976,442.64, 27,562,696.68 and 12,135,798.16
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Solution
The fourth proportional to 19,976,442.64, 27,562,696.68 and 12,135,798.16 is: 16,744,488.98
Step by Step Solution
- Step 1: Write the proportion equation
19,976,442.64 : 27,562,696.68 = 12,135,798.16 : x - Step 2: Convert to fraction form
19,976,442.64/27,562,696.68 = 12,135,798.16/x - Step 3: Cross multiply
19,976,442.64x = 27,562,696.68 × 12,135,798.16 - Step 4: Simplify right side
19,976,442.64x = 334,495,323,653,782.12 - Step 5: Solve for x
x = 334,495,323,653,782.12/19,976,442.64 - Step 6: Final answer
x = 16,744,488.98
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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.