Finding the Fourth Proportional to 10,536,542.07, 14,542,767.21 and 6,405,695.46
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Solution
The fourth proportional to 10,536,542.07, 14,542,767.21 and 6,405,695.46 is: 8,841,281.82
Step by Step Solution
- Step 1: Write the proportion equation
10,536,542.07 : 14,542,767.21 = 6,405,695.46 : x - Step 2: Convert to fraction form
10,536,542.07/14,542,767.21 = 6,405,695.46/x - Step 3: Cross multiply
10,536,542.07x = 14,542,767.21 × 6,405,695.46 - Step 4: Simplify right side
10,536,542.07x = 93,156,537,892,933.88 - Step 5: Solve for x
x = 93,156,537,892,933.88/10,536,542.07 - Step 6: Final answer
x = 8,841,281.82
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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.