Finding the Fourth Proportional to 11,495,835.63, 15,864,636.15 and 6,269,129.73
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Solution
The fourth proportional to 11,495,835.63, 15,864,636.15 and 6,269,129.73 is: 8,651,607.88
Step by Step Solution
- Step 1: Write the proportion equation
11,495,835.63 : 15,864,636.15 = 6,269,129.73 : x - Step 2: Convert to fraction form
11,495,835.63/15,864,636.15 = 6,269,129.73/x - Step 3: Cross multiply
11,495,835.63x = 15,864,636.15 × 6,269,129.73 - Step 4: Simplify right side
11,495,835.63x = 99,457,462,143,597.75 - Step 5: Solve for x
x = 99,457,462,143,597.75/11,495,835.63 - Step 6: Final answer
x = 8,651,607.88
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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.