Finding the Fourth Proportional to 13,347,575.33, 18,419,488.10 and 7,841,452.12
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Solution
The fourth proportional to 13,347,575.33, 18,419,488.10 and 7,841,452.12 is: 10,821,106.48
Step by Step Solution
- Step 1: Write the proportion equation
13,347,575.33 : 18,419,488.10 = 7,841,452.12 : x - Step 2: Convert to fraction form
13,347,575.33/18,419,488.10 = 7,841,452.12/x - Step 3: Cross multiply
13,347,575.33x = 18,419,488.10 × 7,841,452.12 - Step 4: Simplify right side
13,347,575.33x = 144,435,533,925,803.78 - Step 5: Solve for x
x = 144,435,533,925,803.78/13,347,575.33 - Step 6: Final answer
x = 10,821,106.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.