Finding the Fourth Proportional to 18,408,998.16, 27,617,483.25 and 7,049,447.19
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Solution
The fourth proportional to 18,408,998.16, 27,617,483.25 and 7,049,447.19 is: 10,575,697.17
Step by Step Solution
- Step 1: Write the proportion equation
18,408,998.16 : 27,617,483.25 = 7,049,447.19 : x - Step 2: Convert to fraction form
18,408,998.16/27,617,483.25 = 7,049,447.19/x - Step 3: Cross multiply
18,408,998.16x = 27,617,483.25 × 7,049,447.19 - Step 4: Simplify right side
18,408,998.16x = 194,687,989,691,584.59 - Step 5: Solve for x
x = 194,687,989,691,584.59/18,408,998.16 - Step 6: Final answer
x = 10,575,697.17
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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.