Finding the Fourth Proportional to 13,727,918.00, 18,944,474.84 and 7,533,068.35
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Solution
The fourth proportional to 13,727,918.00, 18,944,474.84 and 7,533,068.35 is: 10,395,605.79
Step by Step Solution
- Step 1: Write the proportion equation
13,727,918.00 : 18,944,474.84 = 7,533,068.35 : x - Step 2: Convert to fraction form
13,727,918.00/18,944,474.84 = 7,533,068.35/x - Step 3: Cross multiply
13,727,918.00x = 18,944,474.84 × 7,533,068.35 - Step 4: Simplify right side
13,727,918.00x = 142,710,023,824,575.31 - Step 5: Solve for x
x = 142,710,023,824,575.31/13,727,918.00 - Step 6: Final answer
x = 10,395,605.79
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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.