Finding the Fourth Proportional to 10,967,032.26, 15,129,739.81 and 6,613,699.41
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Solution
The fourth proportional to 10,967,032.26, 15,129,739.81 and 6,613,699.41 is: 9,124,031.82
Step by Step Solution
- Step 1: Write the proportion equation
10,967,032.26 : 15,129,739.81 = 6,613,699.41 : x - Step 2: Convert to fraction form
10,967,032.26/15,129,739.81 = 6,613,699.41/x - Step 3: Cross multiply
10,967,032.26x = 15,129,739.81 × 6,613,699.41 - Step 4: Simplify right side
10,967,032.26x = 100,063,551,263,117.64 - Step 5: Solve for x
x = 100,063,551,263,117.64/10,967,032.26 - Step 6: Final answer
x = 9,124,031.82
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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.