Finding the Fourth Proportional to 11,671,140.96, 16,106,134.56 and 6,514,457.76
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Solution
The fourth proportional to 11,671,140.96, 16,106,134.56 and 6,514,457.76 is: 8,989,929.40
Step by Step Solution
- Step 1: Write the proportion equation
11,671,140.96 : 16,106,134.56 = 6,514,457.76 : x - Step 2: Convert to fraction form
11,671,140.96/16,106,134.56 = 6,514,457.76/x - Step 3: Cross multiply
11,671,140.96x = 16,106,134.56 × 6,514,457.76 - Step 4: Simplify right side
11,671,140.96x = 104,922,733,267,996.19 - Step 5: Solve for x
x = 104,922,733,267,996.19/11,671,140.96 - Step 6: Final answer
x = 8,989,929.40
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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.