Finding the Fourth Proportional to 27,821,702.08, 38,392,026.06 and 15,430,626.64
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Solution
The fourth proportional to 27,821,702.08, 38,392,026.06 and 15,430,626.64 is: 21,293,198.32
Step by Step Solution
- Step 1: Write the proportion equation
27,821,702.08 : 38,392,026.06 = 15,430,626.64 : x - Step 2: Convert to fraction form
27,821,702.08/38,392,026.06 = 15,430,626.64/x - Step 3: Cross multiply
27,821,702.08x = 38,392,026.06 × 15,430,626.64 - Step 4: Simplify right side
27,821,702.08x = 592,413,020,085,010.25 - Step 5: Solve for x
x = 592,413,020,085,010.25/27,821,702.08 - Step 6: Final answer
x = 21,293,198.32
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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.