Finding the Fourth Proportional to 7,487,219.95, 11,231,473.10 and 2,629,108.96
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Solution
The fourth proportional to 7,487,219.95, 11,231,473.10 and 2,629,108.96 is: 3,943,889.28
Step by Step Solution
- Step 1: Write the proportion equation
7,487,219.95 : 11,231,473.10 = 2,629,108.96 : x - Step 2: Convert to fraction form
7,487,219.95/11,231,473.10 = 2,629,108.96/x - Step 3: Cross multiply
7,487,219.95x = 11,231,473.10 × 2,629,108.96 - Step 4: Simplify right side
7,487,219.95x = 29,528,766,519,984.75 - Step 5: Solve for x
x = 29,528,766,519,984.75/7,487,219.95 - Step 6: Final answer
x = 3,943,889.28
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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.