Finding the Fourth Proportional to 7,311,371.99, 10,962,275.74 and 6,909,897.11
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Solution
The fourth proportional to 7,311,371.99, 10,962,275.74 and 6,909,897.11 is: 10,360,326.02
Step by Step Solution
- Step 1: Write the proportion equation
7,311,371.99 : 10,962,275.74 = 6,909,897.11 : x - Step 2: Convert to fraction form
7,311,371.99/10,962,275.74 = 6,909,897.11/x - Step 3: Cross multiply
7,311,371.99x = 10,962,275.74 × 6,909,897.11 - Step 4: Simplify right side
7,311,371.99x = 75,748,197,382,763 - Step 5: Solve for x
x = 75,748,197,382,763/7,311,371.99 - Step 6: Final answer
x = 10,360,326.02
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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.