Finding the Fourth Proportional to 11,467,186.21, 15,824,719.34 and 6,310,547.81
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Solution
The fourth proportional to 11,467,186.21, 15,824,719.34 and 6,310,547.81 is: 8,708,557.28
Step by Step Solution
- Step 1: Write the proportion equation
11,467,186.21 : 15,824,719.34 = 6,310,547.81 : x - Step 2: Convert to fraction form
11,467,186.21/15,824,719.34 = 6,310,547.81/x - Step 3: Cross multiply
11,467,186.21x = 15,824,719.34 × 6,310,547.81 - Step 4: Simplify right side
11,467,186.21x = 99,862,647,974,901.64 - Step 5: Solve for x
x = 99,862,647,974,901.64/11,467,186.21 - Step 6: Final answer
x = 8,708,557.28
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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.