Finding the Fourth Proportional to 8,790,651.84, 13,162,353.36 and 5,578,386.24
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Solution
The fourth proportional to 8,790,651.84, 13,162,353.36 and 5,578,386.24 is: 8,352,587.75
Step by Step Solution
- Step 1: Write the proportion equation
8,790,651.84 : 13,162,353.36 = 5,578,386.24 : x - Step 2: Convert to fraction form
8,790,651.84/13,162,353.36 = 5,578,386.24/x - Step 3: Cross multiply
8,790,651.84x = 13,162,353.36 × 5,578,386.24 - Step 4: Simplify right side
8,790,651.84x = 73,424,690,869,441.77 - Step 5: Solve for x
x = 73,424,690,869,441.77/8,790,651.84 - Step 6: Final answer
x = 8,352,587.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.