Finding the Fourth Proportional to 56,028,415.80, 84,036,311.45 and 15,090,851.26
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Solution
The fourth proportional to 56,028,415.80, 84,036,311.45 and 15,090,851.26 is: 22,634,576.72
Step by Step Solution
- Step 1: Write the proportion equation
56,028,415.80 : 84,036,311.45 = 15,090,851.26 : x - Step 2: Convert to fraction form
56,028,415.80/84,036,311.45 = 15,090,851.26/x - Step 3: Cross multiply
56,028,415.80x = 84,036,311.45 × 15,090,851.26 - Step 4: Simplify right side
56,028,415.80x = 1,268,179,476,035,349 - Step 5: Solve for x
x = 1,268,179,476,035,349/56,028,415.80 - Step 6: Final answer
x = 22,634,576.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.