Finding the Fourth Proportional to 9,090,596.44, 13,602,214.14 and 7,288,026.76
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Solution
The fourth proportional to 9,090,596.44, 13,602,214.14 and 7,288,026.76 is: 10,905,038.11
Step by Step Solution
- Step 1: Write the proportion equation
9,090,596.44 : 13,602,214.14 = 7,288,026.76 : x - Step 2: Convert to fraction form
9,090,596.44/13,602,214.14 = 7,288,026.76/x - Step 3: Cross multiply
9,090,596.44x = 13,602,214.14 × 7,288,026.76 - Step 4: Simplify right side
9,090,596.44x = 99,133,300,647,570.39 - Step 5: Solve for x
x = 99,133,300,647,570.39/9,090,596.44 - Step 6: Final answer
x = 10,905,038.11
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1.5x scale
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.