Finding the Fourth Proportional to 7,485,457.28, 11,228,594.29 and 2,367,504.95
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Solution
The fourth proportional to 7,485,457.28, 11,228,594.29 and 2,367,504.95 is: 3,551,386.58
Step by Step Solution
- Step 1: Write the proportion equation
7,485,457.28 : 11,228,594.29 = 2,367,504.95 : x - Step 2: Convert to fraction form
7,485,457.28/11,228,594.29 = 2,367,504.95/x - Step 3: Cross multiply
7,485,457.28x = 11,228,594.29 × 2,367,504.95 - Step 4: Simplify right side
7,485,457.28x = 26,583,752,501,055 - Step 5: Solve for x
x = 26,583,752,501,055/7,485,457.28 - Step 6: Final answer
x = 3,551,386.58
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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.