Finding the Fourth Proportional to 21,722,468.70, 32,555,709.45 and 16,648,628.70
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Solution
The fourth proportional to 21,722,468.70, 32,555,709.45 and 16,648,628.70 is: 24,951,488.07
Step by Step Solution
- Step 1: Write the proportion equation
21,722,468.70 : 32,555,709.45 = 16,648,628.70 : x - Step 2: Convert to fraction form
21,722,468.70/32,555,709.45 = 16,648,628.70/x - Step 3: Cross multiply
21,722,468.70x = 32,555,709.45 × 16,648,628.70 - Step 4: Simplify right side
21,722,468.70x = 542,007,918,698,131.19 - Step 5: Solve for x
x = 542,007,918,698,131.19/21,722,468.70 - Step 6: Final answer
x = 24,951,488.07
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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.