Finding the Fourth Proportional to 43,586,228.68, 65,379,342.54 and 20,551,801.48
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Solution
The fourth proportional to 43,586,228.68, 65,379,342.54 and 20,551,801.48 is: 30,827,701.99
Step by Step Solution
- Step 1: Write the proportion equation
43,586,228.68 : 65,379,342.54 = 20,551,801.48 : x - Step 2: Convert to fraction form
43,586,228.68/65,379,342.54 = 20,551,801.48/x - Step 3: Cross multiply
43,586,228.68x = 65,379,342.54 × 20,551,801.48 - Step 4: Simplify right side
43,586,228.68x = 1,343,663,268,774,999 - Step 5: Solve for x
x = 1,343,663,268,774,999/43,586,228.68 - Step 6: Final answer
x = 30,827,701.99
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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.