Finding the Fourth Proportional to 7,424,326.12, 11,136,719.58 and 3,532,930.60
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Solution
The fourth proportional to 7,424,326.12, 11,136,719.58 and 3,532,930.60 is: 5,299,505.54
Step by Step Solution
- Step 1: Write the proportion equation
7,424,326.12 : 11,136,719.58 = 3,532,930.60 : x - Step 2: Convert to fraction form
7,424,326.12/11,136,719.58 = 3,532,930.60/x - Step 3: Cross multiply
7,424,326.12x = 11,136,719.58 × 3,532,930.60 - Step 4: Simplify right side
7,424,326.12x = 39,345,257,387,801.15 - Step 5: Solve for x
x = 39,345,257,387,801.15/7,424,326.12 - Step 6: Final answer
x = 5,299,505.54
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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.