Finding the Fourth Proportional to 7,533,729.63, 10,398,430.14 and 4,631,438.99
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Solution
The fourth proportional to 7,533,729.63, 10,398,430.14 and 4,631,438.99 is: 6,392,543.55
Step by Step Solution
- Step 1: Write the proportion equation
7,533,729.63 : 10,398,430.14 = 4,631,438.99 : x - Step 2: Convert to fraction form
7,533,729.63/10,398,430.14 = 4,631,438.99/x - Step 3: Cross multiply
7,533,729.63x = 10,398,430.14 × 4,631,438.99 - Step 4: Simplify right side
7,533,729.63x = 48,159,694,733,195.02 - Step 5: Solve for x
x = 48,159,694,733,195.02/7,533,729.63 - Step 6: Final answer
x = 6,392,543.55
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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.