Finding the Fourth Proportional to 11,395,995.99, 15,725,851.56 and 6,238,359.87
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Solution
The fourth proportional to 11,395,995.99, 15,725,851.56 and 6,238,359.87 is: 8,608,595.63
Step by Step Solution
- Step 1: Write the proportion equation
11,395,995.99 : 15,725,851.56 = 6,238,359.87 : x - Step 2: Convert to fraction form
11,395,995.99/15,725,851.56 = 6,238,359.87/x - Step 3: Cross multiply
11,395,995.99x = 15,725,851.56 × 6,238,359.87 - Step 4: Simplify right side
11,395,995.99x = 98,103,521,293,480.91 - Step 5: Solve for x
x = 98,103,521,293,480.91/11,395,995.99 - Step 6: Final answer
x = 8,608,595.63
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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.