Finding the Fourth Proportional to 51,264,474.11, 70,745,638.74 and 28,059,102.84
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Solution
The fourth proportional to 51,264,474.11, 70,745,638.74 and 28,059,102.84 is: 38,721,925.61
Step by Step Solution
- Step 1: Write the proportion equation
51,264,474.11 : 70,745,638.74 = 28,059,102.84 : x - Step 2: Convert to fraction form
51,264,474.11/70,745,638.74 = 28,059,102.84/x - Step 3: Cross multiply
51,264,474.11x = 70,745,638.74 × 28,059,102.84 - Step 4: Simplify right side
51,264,474.11x = 1,985,059,152,887,147.75 - Step 5: Solve for x
x = 1,985,059,152,887,147.75/51,264,474.11 - Step 6: Final answer
x = 38,721,925.61
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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.