Finding the Fourth Proportional to 14,344,230.96, 19,794,461.22 and 7,817,719.95
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Solution
The fourth proportional to 14,344,230.96, 19,794,461.22 and 7,817,719.95 is: 10,788,138.79
Step by Step Solution
- Step 1: Write the proportion equation
14,344,230.96 : 19,794,461.22 = 7,817,719.95 : x - Step 2: Convert to fraction form
14,344,230.96/19,794,461.22 = 7,817,719.95/x - Step 3: Cross multiply
14,344,230.96x = 19,794,461.22 × 7,817,719.95 - Step 4: Simplify right side
14,344,230.96x = 154,747,554,379,095.34 - Step 5: Solve for x
x = 154,747,554,379,095.34/14,344,230.96 - Step 6: Final answer
x = 10,788,138.79
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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.