Finding the Fourth Proportional to 32,432,055.48, 44,804,849.58 and 21,294,971.19
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Solution
The fourth proportional to 32,432,055.48, 44,804,849.58 and 21,294,971.19 is: 29,418,979.67
Step by Step Solution
- Step 1: Write the proportion equation
32,432,055.48 : 44,804,849.58 = 21,294,971.19 : x - Step 2: Convert to fraction form
32,432,055.48/44,804,849.58 = 21,294,971.19/x - Step 3: Cross multiply
32,432,055.48x = 44,804,849.58 × 21,294,971.19 - Step 4: Simplify right side
32,432,055.48x = 954,117,980,978,383.62 - Step 5: Solve for x
x = 954,117,980,978,383.62/32,432,055.48 - Step 6: Final answer
x = 29,418,979.67
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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.