Finding the Fourth Proportional to 10,555,655.12, 14,566,743.24 and 5,726,655.44
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Solution
The fourth proportional to 10,555,655.12, 14,566,743.24 and 5,726,655.44 is: 7,902,751.51
Step by Step Solution
- Step 1: Write the proportion equation
10,555,655.12 : 14,566,743.24 = 5,726,655.44 : x - Step 2: Convert to fraction form
10,555,655.12/14,566,743.24 = 5,726,655.44/x - Step 3: Cross multiply
10,555,655.12x = 14,566,743.24 × 5,726,655.44 - Step 4: Simplify right side
10,555,655.12x = 83,418,719,418,429.23 - Step 5: Solve for x
x = 83,418,719,418,429.23/10,555,655.12 - Step 6: Final answer
x = 7,902,751.51
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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.