Finding the Fourth Proportional to 7,216,025.28, 10,824,543.36 and 2,898,075.84
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Solution
The fourth proportional to 7,216,025.28, 10,824,543.36 and 2,898,075.84 is: 4,347,316.75
Step by Step Solution
- Step 1: Write the proportion equation
7,216,025.28 : 10,824,543.36 = 2,898,075.84 : x - Step 2: Convert to fraction form
7,216,025.28/10,824,543.36 = 2,898,075.84/x - Step 3: Cross multiply
7,216,025.28x = 10,824,543.36 × 2,898,075.84 - Step 4: Simplify right side
7,216,025.28x = 31,370,347,590,648.42 - Step 5: Solve for x
x = 31,370,347,590,648.42/7,216,025.28 - Step 6: Final answer
x = 4,347,316.75
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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.