Finding the Fourth Proportional to 8,386,327.80, 12,579,491.70 and 8,244,610.20
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Solution
The fourth proportional to 8,386,327.80, 12,579,491.70 and 8,244,610.20 is: 12,366,915.30
Step by Step Solution
- Step 1: Write the proportion equation
8,386,327.80 : 12,579,491.70 = 8,244,610.20 : x - Step 2: Convert to fraction form
8,386,327.80/12,579,491.70 = 8,244,610.20/x - Step 3: Cross multiply
8,386,327.80x = 12,579,491.70 × 8,244,610.20 - Step 4: Simplify right side
8,386,327.80x = 103,713,005,580,635.34 - Step 5: Solve for x
x = 103,713,005,580,635.34/8,386,327.80 - Step 6: Final answer
x = 12,366,915.30
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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.