Finding the Fourth Proportional to 12,011,396.88, 18,013,372.41 and 4,334,048.88
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Solution
The fourth proportional to 12,011,396.88, 18,013,372.41 and 4,334,048.88 is: 6,499,729.99
Step by Step Solution
- Step 1: Write the proportion equation
12,011,396.88 : 18,013,372.41 = 4,334,048.88 : x - Step 2: Convert to fraction form
12,011,396.88/18,013,372.41 = 4,334,048.88/x - Step 3: Cross multiply
12,011,396.88x = 18,013,372.41 × 4,334,048.88 - Step 4: Simplify right side
12,011,396.88x = 78,070,836,518,583.41 - Step 5: Solve for x
x = 78,070,836,518,583.41/12,011,396.88 - Step 6: Final answer
x = 6,499,729.99
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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.