Finding the Fourth Proportional to 7,492,937.40, 11,239,406.10 and 5,461,651.80
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Solution
The fourth proportional to 7,492,937.40, 11,239,406.10 and 5,461,651.80 is: 8,192,477.70
Step by Step Solution
- Step 1: Write the proportion equation
7,492,937.40 : 11,239,406.10 = 5,461,651.80 : x - Step 2: Convert to fraction form
7,492,937.40/11,239,406.10 = 5,461,651.80/x - Step 3: Cross multiply
7,492,937.40x = 11,239,406.10 × 5,461,651.80 - Step 4: Simplify right side
7,492,937.40x = 61,385,722,556,995.98 - Step 5: Solve for x
x = 61,385,722,556,995.98/7,492,937.40 - Step 6: Final answer
x = 8,192,477.70
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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.