Finding the Fourth Proportional to 10,431,116.19, 15,646,430.05 and 2,755,296.71
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Solution
The fourth proportional to 10,431,116.19, 15,646,430.05 and 2,755,296.71 is: 4,132,880.55
Step by Step Solution
- Step 1: Write the proportion equation
10,431,116.19 : 15,646,430.05 = 2,755,296.71 : x - Step 2: Convert to fraction form
10,431,116.19/15,646,430.05 = 2,755,296.71/x - Step 3: Cross multiply
10,431,116.19x = 15,646,430.05 × 2,755,296.71 - Step 4: Simplify right side
10,431,116.19x = 43,110,557,229,062.41 - Step 5: Solve for x
x = 43,110,557,229,062.41/10,431,116.19 - Step 6: Final answer
x = 4,132,880.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.