Finding the Fourth Proportional to 12,747,559.95, 19,121,316.23 and 3,994,508.79
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Solution
The fourth proportional to 12,747,559.95, 19,121,316.23 and 3,994,508.79 is: 5,991,755.76
Step by Step Solution
- Step 1: Write the proportion equation
12,747,559.95 : 19,121,316.23 = 3,994,508.79 : x - Step 2: Convert to fraction form
12,747,559.95/19,121,316.23 = 3,994,508.79/x - Step 3: Cross multiply
12,747,559.95x = 19,121,316.23 × 3,994,508.79 - Step 4: Simplify right side
12,747,559.95x = 76,380,265,767,090.94 - Step 5: Solve for x
x = 76,380,265,767,090.94/12,747,559.95 - Step 6: Final answer
x = 5,991,755.76
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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.