Finding the Fourth Proportional to 11,041,030.98, 15,235,554.06 and 8,141,982.66
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Solution
The fourth proportional to 11,041,030.98, 15,235,554.06 and 8,141,982.66 is: 11,235,147.99
Step by Step Solution
- Step 1: Write the proportion equation
11,041,030.98 : 15,235,554.06 = 8,141,982.66 : x - Step 2: Convert to fraction form
11,041,030.98/15,235,554.06 = 8,141,982.66/x - Step 3: Cross multiply
11,041,030.98x = 15,235,554.06 × 8,141,982.66 - Step 4: Simplify right side
11,041,030.98x = 124,047,616,972,012.61 - Step 5: Solve for x
x = 124,047,616,972,012.61/11,041,030.98 - Step 6: Final answer
x = 11,235,147.99
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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.