Finding the Fourth Proportional to 27,921,843.40, 41,886,701.70 and 8,750,601.40
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Solution
The fourth proportional to 27,921,843.40, 41,886,701.70 and 8,750,601.40 is: 13,127,135.82
Step by Step Solution
- Step 1: Write the proportion equation
27,921,843.40 : 41,886,701.70 = 8,750,601.40 : x - Step 2: Convert to fraction form
27,921,843.40/41,886,701.70 = 8,750,601.40/x - Step 3: Cross multiply
27,921,843.40x = 41,886,701.70 × 8,750,601.40 - Step 4: Simplify right side
27,921,843.40x = 366,533,830,537,402.44 - Step 5: Solve for x
x = 366,533,830,537,402.44/27,921,843.40 - Step 6: Final answer
x = 13,127,135.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.