Finding the Fourth Proportional to 11,080,871.68, 15,291,542.40 and 6,185,810.56
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Solution
The fourth proportional to 11,080,871.68, 15,291,542.40 and 6,185,810.56 is: 8,536,384.79
Step by Step Solution
- Step 1: Write the proportion equation
11,080,871.68 : 15,291,542.40 = 6,185,810.56 : x - Step 2: Convert to fraction form
11,080,871.68/15,291,542.40 = 6,185,810.56/x - Step 3: Cross multiply
11,080,871.68x = 15,291,542.40 × 6,185,810.56 - Step 4: Simplify right side
11,080,871.68x = 94,590,584,456,607.73 - Step 5: Solve for x
x = 94,590,584,456,607.73/11,080,871.68 - Step 6: Final answer
x = 8,536,384.79
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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.