Finding the Fourth Proportional to 11,537,929.92, 15,920,962.40 and 6,380,591.04
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Solution
The fourth proportional to 11,537,929.92, 15,920,962.40 and 6,380,591.04 is: 8,804,451.99
Step by Step Solution
- Step 1: Write the proportion equation
11,537,929.92 : 15,920,962.40 = 6,380,591.04 : x - Step 2: Convert to fraction form
11,537,929.92/15,920,962.40 = 6,380,591.04/x - Step 3: Cross multiply
11,537,929.92x = 15,920,962.40 × 6,380,591.04 - Step 4: Simplify right side
11,537,929.92x = 101,585,150,037,616.91 - Step 5: Solve for x
x = 101,585,150,037,616.91/11,537,929.92 - Step 6: Final answer
x = 8,804,451.99
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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.