Finding the Fourth Proportional to 7,487,320.71, 11,232,222.68 and 2,628,367.12
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Solution
The fourth proportional to 7,487,320.71, 11,232,222.68 and 2,628,367.12 is: 3,942,986.54
Step by Step Solution
- Step 1: Write the proportion equation
7,487,320.71 : 11,232,222.68 = 2,628,367.12 : x - Step 2: Convert to fraction form
7,487,320.71/11,232,222.68 = 2,628,367.12/x - Step 3: Cross multiply
7,487,320.71x = 11,232,222.68 × 2,628,367.12 - Step 4: Simplify right side
7,487,320.71x = 29,522,404,776,630.28 - Step 5: Solve for x
x = 29,522,404,776,630.28/7,487,320.71 - Step 6: Final answer
x = 3,942,986.54
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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.