Finding the Fourth Proportional to 11,165,555.10, 15,411,807.45 and 6,520,593.09
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Solution
The fourth proportional to 11,165,555.10, 15,411,807.45 and 6,520,593.09 is: 9,000,369.82
Step by Step Solution
- Step 1: Write the proportion equation
11,165,555.10 : 15,411,807.45 = 6,520,593.09 : x - Step 2: Convert to fraction form
11,165,555.10/15,411,807.45 = 6,520,593.09/x - Step 3: Cross multiply
11,165,555.10x = 15,411,807.45 × 6,520,593.09 - Step 4: Simplify right side
11,165,555.10x = 100,494,125,162,880.52 - Step 5: Solve for x
x = 100,494,125,162,880.52/11,165,555.10 - Step 6: Final answer
x = 9,000,369.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.