Finding the Fourth Proportional to 13,866,338.18, 19,135,481.36 and 7,754,790.98
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Solution
The fourth proportional to 13,866,338.18, 19,135,481.36 and 7,754,790.98 is: 10,701,575.02
Step by Step Solution
- Step 1: Write the proportion equation
13,866,338.18 : 19,135,481.36 = 7,754,790.98 : x - Step 2: Convert to fraction form
13,866,338.18/19,135,481.36 = 7,754,790.98/x - Step 3: Cross multiply
13,866,338.18x = 19,135,481.36 × 7,754,790.98 - Step 4: Simplify right side
13,866,338.18x = 148,391,658,248,486.12 - Step 5: Solve for x
x = 148,391,658,248,486.12/13,866,338.18 - Step 6: Final answer
x = 10,701,575.02
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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.