Finding the Fourth Proportional to 7,283,705.11, 10,051,511.54 and 4,020,518.99
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Solution
The fourth proportional to 7,283,705.11, 10,051,511.54 and 4,020,518.99 is: 5,548,315.37
Step by Step Solution
- Step 1: Write the proportion equation
7,283,705.11 : 10,051,511.54 = 4,020,518.99 : x - Step 2: Convert to fraction form
7,283,705.11/10,051,511.54 = 4,020,518.99/x - Step 3: Cross multiply
7,283,705.11x = 10,051,511.54 × 4,020,518.99 - Step 4: Simplify right side
7,283,705.11x = 40,412,292,992,107.16 - Step 5: Solve for x
x = 40,412,292,992,107.16/7,283,705.11 - Step 6: Final answer
x = 5,548,315.37
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1.5x scale
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.