Finding the Fourth Proportional to 38,636,221.44, 57,962,695.68 and 11,711,907.84
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Solution
The fourth proportional to 38,636,221.44, 57,962,695.68 and 11,711,907.84 is: 17,570,397.02
Step by Step Solution
- Step 1: Write the proportion equation
38,636,221.44 : 57,962,695.68 = 11,711,907.84 : x - Step 2: Convert to fraction form
38,636,221.44/57,962,695.68 = 11,711,907.84/x - Step 3: Cross multiply
38,636,221.44x = 57,962,695.68 × 11,711,907.84 - Step 4: Simplify right side
38,636,221.44x = 678,853,749,962,126.12 - Step 5: Solve for x
x = 678,853,749,962,126.12/38,636,221.44 - Step 6: Final answer
x = 17,570,397.02
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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.