Finding the Fourth Proportional to 18,442,824.90, 27,664,237.35 and 9,939,768.90
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Solution
The fourth proportional to 18,442,824.90, 27,664,237.35 and 9,939,768.90 is: 14,909,653.35
Step by Step Solution
- Step 1: Write the proportion equation
18,442,824.90 : 27,664,237.35 = 9,939,768.90 : x - Step 2: Convert to fraction form
18,442,824.90/27,664,237.35 = 9,939,768.90/x - Step 3: Cross multiply
18,442,824.90x = 27,664,237.35 × 9,939,768.90 - Step 4: Simplify right side
18,442,824.90x = 274,976,126,053,748.44 - Step 5: Solve for x
x = 274,976,126,053,748.44/18,442,824.90 - Step 6: Final answer
x = 14,909,653.35
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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.