Finding the Fourth Proportional to 9,264,466.20, 13,896,699.30 and 6,872,981.70
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Solution
The fourth proportional to 9,264,466.20, 13,896,699.30 and 6,872,981.70 is: 10,309,472.55
Step by Step Solution
- Step 1: Write the proportion equation
9,264,466.20 : 13,896,699.30 = 6,872,981.70 : x - Step 2: Convert to fraction form
9,264,466.20/13,896,699.30 = 6,872,981.70/x - Step 3: Cross multiply
9,264,466.20x = 13,896,699.30 × 6,872,981.70 - Step 4: Simplify right side
9,264,466.20x = 95,511,759,979,302.81 - Step 5: Solve for x
x = 95,511,759,979,302.81/9,264,466.20 - Step 6: Final answer
x = 10,309,472.55
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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.