Finding the Fourth Proportional to 5,508,619.94, 8,237,562.86 and 5,239,881.38
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Solution
The fourth proportional to 5,508,619.94, 8,237,562.86 and 5,239,881.38 is: 7,835,692.55
Step by Step Solution
- Step 1: Write the proportion equation
5,508,619.94 : 8,237,562.86 = 5,239,881.38 : x - Step 2: Convert to fraction form
5,508,619.94/8,237,562.86 = 5,239,881.38/x - Step 3: Cross multiply
5,508,619.94x = 8,237,562.86 × 5,239,881.38 - Step 4: Simplify right side
5,508,619.94x = 43,163,852,246,693.55 - Step 5: Solve for x
x = 43,163,852,246,693.55/5,508,619.94 - Step 6: Final answer
x = 7,835,692.55
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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.