Finding the Fourth Proportional to 10,349,428.80, 15,524,143.20 and 4,955,302.65
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Solution
The fourth proportional to 10,349,428.80, 15,524,143.20 and 4,955,302.65 is: 7,432,953.98
Step by Step Solution
- Step 1: Write the proportion equation
10,349,428.80 : 15,524,143.20 = 4,955,302.65 : x - Step 2: Convert to fraction form
10,349,428.80/15,524,143.20 = 4,955,302.65/x - Step 3: Cross multiply
10,349,428.80x = 15,524,143.20 × 4,955,302.65 - Step 4: Simplify right side
10,349,428.80x = 76,926,827,937,939.48 - Step 5: Solve for x
x = 76,926,827,937,939.48/10,349,428.80 - Step 6: Final answer
x = 7,432,953.98
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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.