Finding the Fourth Proportional to 14,566,905.95, 20,102,219.35 and 8,040,534.66
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Solution
The fourth proportional to 14,566,905.95, 20,102,219.35 and 8,040,534.66 is: 11,095,876.64
Step by Step Solution
- Step 1: Write the proportion equation
14,566,905.95 : 20,102,219.35 = 8,040,534.66 : x - Step 2: Convert to fraction form
14,566,905.95/20,102,219.35 = 8,040,534.66/x - Step 3: Cross multiply
14,566,905.95x = 20,102,219.35 × 8,040,534.66 - Step 4: Simplify right side
14,566,905.95x = 161,632,591,406,496.34 - Step 5: Solve for x
x = 161,632,591,406,496.34/14,566,905.95 - Step 6: Final answer
x = 11,095,876.64
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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.