Finding the Fourth Proportional to 10,362,368.60, 15,543,407.10 and 4,682,583.80
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Solution
The fourth proportional to 10,362,368.60, 15,543,407.10 and 4,682,583.80 is: 7,023,809.82
Step by Step Solution
- Step 1: Write the proportion equation
10,362,368.60 : 15,543,407.10 = 4,682,583.80 : x - Step 2: Convert to fraction form
10,362,368.60/15,543,407.10 = 4,682,583.80/x - Step 3: Cross multiply
10,362,368.60x = 15,543,407.10 × 4,682,583.80 - Step 4: Simplify right side
10,362,368.60x = 72,783,306,283,264.97 - Step 5: Solve for x
x = 72,783,306,283,264.97/10,362,368.60 - Step 6: Final answer
x = 7,023,809.82
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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.