Finding the Fourth Proportional to 11,178,165.50, 15,425,953.64 and 6,216,676.28
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Solution
The fourth proportional to 11,178,165.50, 15,425,953.64 and 6,216,676.28 is: 8,579,060.68
Step by Step Solution
- Step 1: Write the proportion equation
11,178,165.50 : 15,425,953.64 = 6,216,676.28 : x - Step 2: Convert to fraction form
11,178,165.50/15,425,953.64 = 6,216,676.28/x - Step 3: Cross multiply
11,178,165.50x = 15,425,953.64 × 6,216,676.28 - Step 4: Simplify right side
11,178,165.50x = 95,898,160,090,167.67 - Step 5: Solve for x
x = 95,898,160,090,167.67/11,178,165.50 - Step 6: Final answer
x = 8,579,060.68
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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.