Finding the Fourth Proportional to 11,072,649.70, 16,611,307.35 and 4,679,611.30
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Solution
The fourth proportional to 11,072,649.70, 16,611,307.35 and 4,679,611.30 is: 7,020,402.86
Step by Step Solution
- Step 1: Write the proportion equation
11,072,649.70 : 16,611,307.35 = 4,679,611.30 : x - Step 2: Convert to fraction form
11,072,649.70/16,611,307.35 = 4,679,611.30/x - Step 3: Cross multiply
11,072,649.70x = 16,611,307.35 × 4,679,611.30 - Step 4: Simplify right side
11,072,649.70x = 77,734,461,582,833.05 - Step 5: Solve for x
x = 77,734,461,582,833.05/11,072,649.70 - Step 6: Final answer
x = 7,020,402.86
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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.