Finding the Fourth Proportional to 11,395,138.83, 15,719,406.84 and 7,722,799.50
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Solution
The fourth proportional to 11,395,138.83, 15,719,406.84 and 7,722,799.50 is: 10,653,475.06
Step by Step Solution
- Step 1: Write the proportion equation
11,395,138.83 : 15,719,406.84 = 7,722,799.50 : x - Step 2: Convert to fraction form
11,395,138.83/15,719,406.84 = 7,722,799.50/x - Step 3: Cross multiply
11,395,138.83x = 15,719,406.84 × 7,722,799.50 - Step 4: Simplify right side
11,395,138.83x = 121,397,827,284,248.58 - Step 5: Solve for x
x = 121,397,827,284,248.58/11,395,138.83 - Step 6: Final answer
x = 10,653,475.06
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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.