Finding the Fourth Proportional to 35,330,571.53, 48,748,981.58 and 20,643,397.16
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Solution
The fourth proportional to 35,330,571.53, 48,748,981.58 and 20,643,397.16 is: 28,483,677.00
Step by Step Solution
- Step 1: Write the proportion equation
35,330,571.53 : 48,748,981.58 = 20,643,397.16 : x - Step 2: Convert to fraction form
35,330,571.53/48,748,981.58 = 20,643,397.16/x - Step 3: Cross multiply
35,330,571.53x = 48,748,981.58 × 20,643,397.16 - Step 4: Simplify right side
35,330,571.53x = 1,006,344,587,631,915.25 - Step 5: Solve for x
x = 1,006,344,587,631,915.25/35,330,571.53 - Step 6: Final answer
x = 28,483,677.00
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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.