Finding the Fourth Proportional to 14,344,204.70, 19,794,425.06 and 7,817,693.69
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Solution
The fourth proportional to 14,344,204.70, 19,794,425.06 and 7,817,693.69 is: 10,788,102.59
Step by Step Solution
- Step 1: Write the proportion equation
14,344,204.70 : 19,794,425.06 = 7,817,693.69 : x - Step 2: Convert to fraction form
14,344,204.70/19,794,425.06 = 7,817,693.69/x - Step 3: Cross multiply
14,344,204.70x = 19,794,425.06 × 7,817,693.69 - Step 4: Simplify right side
14,344,204.70x = 154,746,751,809,311.97 - Step 5: Solve for x
x = 154,746,751,809,311.97/14,344,204.70 - Step 6: Final answer
x = 10,788,102.59
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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.