Finding the Fourth Proportional to 23,821,731.08, 35,716,915.79 and 15,709,973.12
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Solution
The fourth proportional to 23,821,731.08, 35,716,915.79 and 15,709,973.12 is: 23,554,618.47
Step by Step Solution
- Step 1: Write the proportion equation
23,821,731.08 : 35,716,915.79 = 15,709,973.12 : x - Step 2: Convert to fraction form
23,821,731.08/35,716,915.79 = 15,709,973.12/x - Step 3: Cross multiply
23,821,731.08x = 35,716,915.79 × 15,709,973.12 - Step 4: Simplify right side
23,821,731.08x = 561,111,786,733,069.06 - Step 5: Solve for x
x = 561,111,786,733,069.06/23,821,731.08 - Step 6: Final answer
x = 23,554,618.47
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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.