Finding the Fourth Proportional to 29,519,342.19, 40,751,440.25 and 18,359,432.60
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Solution
The fourth proportional to 29,519,342.19, 40,751,440.25 and 18,359,432.60 is: 25,345,189.46
Step by Step Solution
- Step 1: Write the proportion equation
29,519,342.19 : 40,751,440.25 = 18,359,432.60 : x - Step 2: Convert to fraction form
29,519,342.19/40,751,440.25 = 18,359,432.60/x - Step 3: Cross multiply
29,519,342.19x = 40,751,440.25 × 18,359,432.60 - Step 4: Simplify right side
29,519,342.19x = 748,173,320,622,802.25 - Step 5: Solve for x
x = 748,173,320,622,802.25/29,519,342.19 - Step 6: Final answer
x = 25,345,189.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.