Finding the Fourth Proportional to 29,306,340.55, 43,961,610.35 and 7,740,727.21
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Solution
The fourth proportional to 29,306,340.55, 43,961,610.35 and 7,740,727.21 is: 11,611,645.37
Step by Step Solution
- Step 1: Write the proportion equation
29,306,340.55 : 43,961,610.35 = 7,740,727.21 : x - Step 2: Convert to fraction form
29,306,340.55/43,961,610.35 = 7,740,727.21/x - Step 3: Cross multiply
29,306,340.55x = 43,961,610.35 × 7,740,727.21 - Step 4: Simplify right side
29,306,340.55x = 340,294,833,431,662.62 - Step 5: Solve for x
x = 340,294,833,431,662.62/29,306,340.55 - Step 6: Final answer
x = 11,611,645.37
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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.