Finding the Fourth Proportional to 18,607,832.61, 27,911,756.21 and 5,829,330.12
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Solution
The fourth proportional to 18,607,832.61, 27,911,756.21 and 5,829,330.12 is: 8,743,997.46
Step by Step Solution
- Step 1: Write the proportion equation
18,607,832.61 : 27,911,756.21 = 5,829,330.12 : x - Step 2: Convert to fraction form
18,607,832.61/27,911,756.21 = 5,829,330.12/x - Step 3: Cross multiply
18,607,832.61x = 27,911,756.21 × 5,829,330.12 - Step 4: Simplify right side
18,607,832.61x = 162,706,841,147,903.38 - Step 5: Solve for x
x = 162,706,841,147,903.38/18,607,832.61 - Step 6: Final answer
x = 8,743,997.46
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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.