Finding the Fourth Proportional to 10,529,483.88, 14,530,783.88 and 6,178,642.68
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Solution
The fourth proportional to 10,529,483.88, 14,530,783.88 and 6,178,642.68 is: 8,526,583.30
Step by Step Solution
- Step 1: Write the proportion equation
10,529,483.88 : 14,530,783.88 = 6,178,642.68 : x - Step 2: Convert to fraction form
10,529,483.88/14,530,783.88 = 6,178,642.68/x - Step 3: Cross multiply
10,529,483.88x = 14,530,783.88 × 6,178,642.68 - Step 4: Simplify right side
10,529,483.88x = 89,780,521,454,824 - Step 5: Solve for x
x = 89,780,521,454,824/10,529,483.88 - Step 6: Final answer
x = 8,526,583.30
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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.