Finding the Fourth Proportional to 7,110,691.01, 9,812,726.47 and 3,847,512.05
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Solution
The fourth proportional to 7,110,691.01, 9,812,726.47 and 3,847,512.05 is: 5,309,551.95
Step by Step Solution
- Step 1: Write the proportion equation
7,110,691.01 : 9,812,726.47 = 3,847,512.05 : x - Step 2: Convert to fraction form
7,110,691.01/9,812,726.47 = 3,847,512.05/x - Step 3: Cross multiply
7,110,691.01x = 9,812,726.47 × 3,847,512.05 - Step 4: Simplify right side
7,110,691.01x = 37,754,583,336,678.96 - Step 5: Solve for x
x = 37,754,583,336,678.96/7,110,691.01 - Step 6: Final answer
x = 5,309,551.95
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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.