Finding the Fourth Proportional to 11,612,725.19, 16,025,623.02 and 6,386,070.32
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Solution
The fourth proportional to 11,612,725.19, 16,025,623.02 and 6,386,070.32 is: 8,812,811.28
Step by Step Solution
- Step 1: Write the proportion equation
11,612,725.19 : 16,025,623.02 = 6,386,070.32 : x - Step 2: Convert to fraction form
11,612,725.19/16,025,623.02 = 6,386,070.32/x - Step 3: Cross multiply
11,612,725.19x = 16,025,623.02 × 6,386,070.32 - Step 4: Simplify right side
11,612,725.19x = 102,340,755,447,402.66 - Step 5: Solve for x
x = 102,340,755,447,402.66/11,612,725.19 - Step 6: Final answer
x = 8,812,811.28
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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.