Finding the Fourth Proportional to 12,331,369.05, 18,497,053.58 and 3,812,566.65
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Solution
The fourth proportional to 12,331,369.05, 18,497,053.58 and 3,812,566.65 is: 5,718,849.98
Step by Step Solution
- Step 1: Write the proportion equation
12,331,369.05 : 18,497,053.58 = 3,812,566.65 : x - Step 2: Convert to fraction form
12,331,369.05/18,497,053.58 = 3,812,566.65/x - Step 3: Cross multiply
12,331,369.05x = 18,497,053.58 × 3,812,566.65 - Step 4: Simplify right side
12,331,369.05x = 70,521,249,583,308.27 - Step 5: Solve for x
x = 70,521,249,583,308.27/12,331,369.05 - Step 6: Final answer
x = 5,718,849.98
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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.