Finding the Fourth Proportional to 14,790,695.13, 20,411,116.17 and 8,264,329.74
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Solution
The fourth proportional to 14,790,695.13, 20,411,116.17 and 8,264,329.74 is: 11,404,750.95
Step by Step Solution
- Step 1: Write the proportion equation
14,790,695.13 : 20,411,116.17 = 8,264,329.74 : x - Step 2: Convert to fraction form
14,790,695.13/20,411,116.17 = 8,264,329.74/x - Step 3: Cross multiply
14,790,695.13x = 20,411,116.17 × 8,264,329.74 - Step 4: Simplify right side
14,790,695.13x = 168,684,194,390,325.91 - Step 5: Solve for x
x = 168,684,194,390,325.91/14,790,695.13 - Step 6: Final answer
x = 11,404,750.95
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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.