Finding the Fourth Proportional to 18,555,347.84, 25,607,242.67 and 11,590,149.26
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Solution
The fourth proportional to 18,555,347.84, 25,607,242.67 and 11,590,149.26 is: 15,994,944.82
Step by Step Solution
- Step 1: Write the proportion equation
18,555,347.84 : 25,607,242.67 = 11,590,149.26 : x - Step 2: Convert to fraction form
18,555,347.84/25,607,242.67 = 11,590,149.26/x - Step 3: Cross multiply
18,555,347.84x = 25,607,242.67 × 11,590,149.26 - Step 4: Simplify right side
18,555,347.84x = 296,791,764,688,408.25 - Step 5: Solve for x
x = 296,791,764,688,408.25/18,555,347.84 - Step 6: Final answer
x = 15,994,944.82
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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.