Finding the Fourth Proportional to 11,070,232.20, 16,607,681.10 and 4,677,193.80
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Solution
The fourth proportional to 11,070,232.20, 16,607,681.10 and 4,677,193.80 is: 7,016,776.31
Step by Step Solution
- Step 1: Write the proportion equation
11,070,232.20 : 16,607,681.10 = 4,677,193.80 : x - Step 2: Convert to fraction form
11,070,232.20/16,607,681.10 = 4,677,193.80/x - Step 3: Cross multiply
11,070,232.20x = 16,607,681.10 × 4,677,193.80 - Step 4: Simplify right side
11,070,232.20x = 77,677,343,073,297.17 - Step 5: Solve for x
x = 77,677,343,073,297.17/11,070,232.20 - Step 6: Final answer
x = 7,016,776.31
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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.