Finding the Fourth Proportional to 14,344,251.75, 19,794,489.96 and 7,817,740.74
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Solution
The fourth proportional to 14,344,251.75, 19,794,489.96 and 7,817,740.74 is: 10,788,167.50
Step by Step Solution
- Step 1: Write the proportion equation
14,344,251.75 : 19,794,489.96 = 7,817,740.74 : x - Step 2: Convert to fraction form
14,344,251.75/19,794,489.96 = 7,817,740.74/x - Step 3: Cross multiply
14,344,251.75x = 19,794,489.96 × 7,817,740.74 - Step 4: Simplify right side
14,344,251.75x = 154,748,190,587,812.97 - Step 5: Solve for x
x = 154,748,190,587,812.97/14,344,251.75 - Step 6: Final answer
x = 10,788,167.50
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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.