Finding the Fourth Proportional to 11,284,871.90, 15,573,126.28 and 6,128,232.08
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Solution
The fourth proportional to 11,284,871.90, 15,573,126.28 and 6,128,232.08 is: 8,456,961.93
Step by Step Solution
- Step 1: Write the proportion equation
11,284,871.90 : 15,573,126.28 = 6,128,232.08 : x - Step 2: Convert to fraction form
11,284,871.90/15,573,126.28 = 6,128,232.08/x - Step 3: Cross multiply
11,284,871.90x = 15,573,126.28 × 6,128,232.08 - Step 4: Simplify right side
11,284,871.90x = 95,435,732,054,987.06 - Step 5: Solve for x
x = 95,435,732,054,987.06/11,284,871.90 - Step 6: Final answer
x = 8,456,961.93
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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.