Finding the Fourth Proportional to 12,256,351.20, 18,351,349.20 and 9,602,143.20
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Solution
The fourth proportional to 12,256,351.20, 18,351,349.20 and 9,602,143.20 is: 14,377,222.07
Step by Step Solution
- Step 1: Write the proportion equation
12,256,351.20 : 18,351,349.20 = 9,602,143.20 : x - Step 2: Convert to fraction form
12,256,351.20/18,351,349.20 = 9,602,143.20/x - Step 3: Cross multiply
12,256,351.20x = 18,351,349.20 × 9,602,143.20 - Step 4: Simplify right side
12,256,351.20x = 176,212,282,931,605.41 - Step 5: Solve for x
x = 176,212,282,931,605.41/12,256,351.20 - Step 6: Final answer
x = 14,377,222.07
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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.