Finding the Fourth Proportional to 12,293,492.12, 16,967,239.80 and 7,332,251.49
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Solution
The fourth proportional to 12,293,492.12, 16,967,239.80 and 7,332,251.49 is: 10,119,831.54
Step by Step Solution
- Step 1: Write the proportion equation
12,293,492.12 : 16,967,239.80 = 7,332,251.49 : x - Step 2: Convert to fraction form
12,293,492.12/16,967,239.80 = 7,332,251.49/x - Step 3: Cross multiply
12,293,492.12x = 16,967,239.80 × 7,332,251.49 - Step 4: Simplify right side
12,293,492.12x = 124,408,069,304,737.31 - Step 5: Solve for x
x = 124,408,069,304,737.31/12,293,492.12 - Step 6: Final answer
x = 10,119,831.54
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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.