Finding the Fourth Proportional to 21,863,742.24, 32,815,515.60 and 11,637,187.68
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Solution
The fourth proportional to 21,863,742.24, 32,815,515.60 and 11,637,187.68 is: 17,466,374.68
Step by Step Solution
- Step 1: Write the proportion equation
21,863,742.24 : 32,815,515.60 = 11,637,187.68 : x - Step 2: Convert to fraction form
21,863,742.24/32,815,515.60 = 11,637,187.68/x - Step 3: Cross multiply
21,863,742.24x = 32,815,515.60 × 11,637,187.68 - Step 4: Simplify right side
21,863,742.24x = 381,880,313,853,167.81 - Step 5: Solve for x
x = 381,880,313,853,167.81/21,863,742.24 - Step 6: Final answer
x = 17,466,374.68
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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.