Finding the Fourth Proportional to 43,425,702.18, 65,140,648.08 and 14,278,895.84
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Solution
The fourth proportional to 43,425,702.18, 65,140,648.08 and 14,278,895.84 is: 21,419,032.56
Step by Step Solution
- Step 1: Write the proportion equation
43,425,702.18 : 65,140,648.08 = 14,278,895.84 : x - Step 2: Convert to fraction form
43,425,702.18/65,140,648.08 = 14,278,895.84/x - Step 3: Cross multiply
43,425,702.18x = 65,140,648.08 × 14,278,895.84 - Step 4: Simplify right side
43,425,702.18x = 930,136,528,884,416 - Step 5: Solve for x
x = 930,136,528,884,416/43,425,702.18 - Step 6: Final answer
x = 21,419,032.56
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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.