Finding the Fourth Proportional to 19,720,301.70, 29,580,452.55 and 16,361,069.70
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Solution
The fourth proportional to 19,720,301.70, 29,580,452.55 and 16,361,069.70 is: 24,541,604.55
Step by Step Solution
- Step 1: Write the proportion equation
19,720,301.70 : 29,580,452.55 = 16,361,069.70 : x - Step 2: Convert to fraction form
19,720,301.70/29,580,452.55 = 16,361,069.70/x - Step 3: Cross multiply
19,720,301.70x = 29,580,452.55 × 16,361,069.70 - Step 4: Simplify right side
19,720,301.70x = 483,967,845,928,092.75 - Step 5: Solve for x
x = 483,967,845,928,092.75/19,720,301.70 - Step 6: Final answer
x = 24,541,604.55
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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.