Finding the Fourth Proportional to 15,723,765.55, 23,591,323.49 and 5,490,133.01
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Solution
The fourth proportional to 15,723,765.55, 23,591,323.49 and 5,490,133.01 is: 8,237,181.06
Step by Step Solution
- Step 1: Write the proportion equation
15,723,765.55 : 23,591,323.49 = 5,490,133.01 : x - Step 2: Convert to fraction form
15,723,765.55/23,591,323.49 = 5,490,133.01/x - Step 3: Cross multiply
15,723,765.55x = 23,591,323.49 × 5,490,133.01 - Step 4: Simplify right side
15,723,765.55x = 129,519,503,696,630.11 - Step 5: Solve for x
x = 129,519,503,696,630.11/15,723,765.55 - Step 6: Final answer
x = 8,237,181.06
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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.