Finding the Fourth Proportional to 7,226,106.82, 9,971,485.05 and 3,962,398.66
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Solution
The fourth proportional to 7,226,106.82, 9,971,485.05 and 3,962,398.66 is: 5,467,812.75
Step by Step Solution
- Step 1: Write the proportion equation
7,226,106.82 : 9,971,485.05 = 3,962,398.66 : x - Step 2: Convert to fraction form
7,226,106.82/9,971,485.05 = 3,962,398.66/x - Step 3: Cross multiply
7,226,106.82x = 9,971,485.05 × 3,962,398.66 - Step 4: Simplify right side
7,226,106.82x = 39,510,999,000,330.04 - Step 5: Solve for x
x = 39,510,999,000,330.04/7,226,106.82 - Step 6: Final answer
x = 5,467,812.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.