Finding the Fourth Proportional to 14,464,967.80, 21,688,791.18 and 4,880,134.12
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Solution
The fourth proportional to 14,464,967.80, 21,688,791.18 and 4,880,134.12 is: 7,317,279.33
Step by Step Solution
- Step 1: Write the proportion equation
14,464,967.80 : 21,688,791.18 = 4,880,134.12 : x - Step 2: Convert to fraction form
14,464,967.80/21,688,791.18 = 4,880,134.12/x - Step 3: Cross multiply
14,464,967.80x = 21,688,791.18 × 4,880,134.12 - Step 4: Simplify right side
14,464,967.80x = 105,844,209,859,073.06 - Step 5: Solve for x
x = 105,844,209,859,073.06/14,464,967.80 - Step 6: Final answer
x = 7,317,279.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.