Finding the Fourth Proportional to 17,777,660.84, 26,668,066.30 and 4,998,276.68
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Solution
The fourth proportional to 17,777,660.84, 26,668,066.30 and 4,998,276.68 is: 7,497,857.85
Step by Step Solution
- Step 1: Write the proportion equation
17,777,660.84 : 26,668,066.30 = 4,998,276.68 : x - Step 2: Convert to fraction form
17,777,660.84/26,668,066.30 = 4,998,276.68/x - Step 3: Cross multiply
17,777,660.84x = 26,668,066.30 × 4,998,276.68 - Step 4: Simplify right side
17,777,660.84x = 133,294,373,887,983.88 - Step 5: Solve for x
x = 133,294,373,887,983.88/17,777,660.84 - Step 6: Final answer
x = 7,497,857.85
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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.