Finding the Fourth Proportional to 7,417,406.24, 11,117,141.28 and 3,821,211.42
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Solution
The fourth proportional to 7,417,406.24, 11,117,141.28 and 3,821,211.42 is: 5,727,197.06
Step by Step Solution
- Step 1: Write the proportion equation
7,417,406.24 : 11,117,141.28 = 3,821,211.42 : x - Step 2: Convert to fraction form
7,417,406.24/11,117,141.28 = 3,821,211.42/x - Step 3: Cross multiply
7,417,406.24x = 11,117,141.28 × 3,821,211.42 - Step 4: Simplify right side
7,417,406.24x = 42,480,947,216,889.41 - Step 5: Solve for x
x = 42,480,947,216,889.41/7,417,406.24 - Step 6: Final answer
x = 5,727,197.06
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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.