Finding the Fourth Proportional to 11,572,492.32, 15,958,960.74 and 6,925,486.68
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Solution
The fourth proportional to 11,572,492.32, 15,958,960.74 and 6,925,486.68 is: 9,550,541.66
Step by Step Solution
- Step 1: Write the proportion equation
11,572,492.32 : 15,958,960.74 = 6,925,486.68 : x - Step 2: Convert to fraction form
11,572,492.32/15,958,960.74 = 6,925,486.68/x - Step 3: Cross multiply
11,572,492.32x = 15,958,960.74 × 6,925,486.68 - Step 4: Simplify right side
11,572,492.32x = 110,523,570,031,512.94 - Step 5: Solve for x
x = 110,523,570,031,512.94/11,572,492.32 - Step 6: Final answer
x = 9,550,541.66
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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.