Finding the Fourth Proportional to 11,044,649.79, 16,561,431.90 and 6,435,125.70
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Solution
The fourth proportional to 11,044,649.79, 16,561,431.90 and 6,435,125.70 is: 9,649,459.07
Step by Step Solution
- Step 1: Write the proportion equation
11,044,649.79 : 16,561,431.90 = 6,435,125.70 : x - Step 2: Convert to fraction form
11,044,649.79/16,561,431.90 = 6,435,125.70/x - Step 3: Cross multiply
11,044,649.79x = 16,561,431.90 × 6,435,125.70 - Step 4: Simplify right side
11,044,649.79x = 106,574,896,048,489.83 - Step 5: Solve for x
x = 106,574,896,048,489.83/11,044,649.79 - Step 6: Final answer
x = 9,649,459.07
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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.