Finding the Fourth Proportional to 20,544,534.80, 30,809,533.15 and 5,968,421.74
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Solution
The fourth proportional to 20,544,534.80, 30,809,533.15 and 5,968,421.74 is: 8,950,520.86
Step by Step Solution
- Step 1: Write the proportion equation
20,544,534.80 : 30,809,533.15 = 5,968,421.74 : x - Step 2: Convert to fraction form
20,544,534.80/30,809,533.15 = 5,968,421.74/x - Step 3: Cross multiply
20,544,534.80x = 30,809,533.15 × 5,968,421.74 - Step 4: Simplify right side
20,544,534.80x = 183,884,287,297,663.03 - Step 5: Solve for x
x = 183,884,287,297,663.03/20,544,534.80 - Step 6: Final answer
x = 8,950,520.86
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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.