Finding the Fourth Proportional to 23,648,696.86, 32,651,338.36 and 15,296,312.70
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Solution
The fourth proportional to 23,648,696.86, 32,651,338.36 and 15,296,312.70 is: 21,119,348.97
Step by Step Solution
- Step 1: Write the proportion equation
23,648,696.86 : 32,651,338.36 = 15,296,312.70 : x - Step 2: Convert to fraction form
23,648,696.86/32,651,338.36 = 15,296,312.70/x - Step 3: Cross multiply
23,648,696.86x = 32,651,338.36 × 15,296,312.70 - Step 4: Simplify right side
23,648,696.86x = 499,445,081,628,065.12 - Step 5: Solve for x
x = 499,445,081,628,065.12/23,648,696.86 - Step 6: Final answer
x = 21,119,348.97
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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.