Finding the Fourth Proportional to 11,226,738.16, 15,492,867.74 and 6,265,126.44
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Solution
The fourth proportional to 11,226,738.16, 15,492,867.74 and 6,265,126.44 is: 8,645,857.23
Step by Step Solution
- Step 1: Write the proportion equation
11,226,738.16 : 15,492,867.74 = 6,265,126.44 : x - Step 2: Convert to fraction form
11,226,738.16/15,492,867.74 = 6,265,126.44/x - Step 3: Cross multiply
11,226,738.16x = 15,492,867.74 × 6,265,126.44 - Step 4: Simplify right side
11,226,738.16x = 97,064,775,309,297.05 - Step 5: Solve for x
x = 97,064,775,309,297.05/11,226,738.16 - Step 6: Final answer
x = 8,645,857.23
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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.