Finding the Fourth Proportional to 10,090,434.55, 15,137,643.70 and 3,700,742.26
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Solution
The fourth proportional to 10,090,434.55, 15,137,643.70 and 3,700,742.26 is: 5,551,843.92
Step by Step Solution
- Step 1: Write the proportion equation
10,090,434.55 : 15,137,643.70 = 3,700,742.26 : x - Step 2: Convert to fraction form
10,090,434.55/15,137,643.70 = 3,700,742.26/x - Step 3: Cross multiply
10,090,434.55x = 15,137,643.70 × 3,700,742.26 - Step 4: Simplify right side
10,090,434.55x = 56,020,517,752,577.66 - Step 5: Solve for x
x = 56,020,517,752,577.66/10,090,434.55 - Step 6: Final answer
x = 5,551,843.92
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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.