Finding the Fourth Proportional to 34,644,698.60, 47,806,438.44 and 20,703,277.99
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Solution
The fourth proportional to 34,644,698.60, 47,806,438.44 and 20,703,277.99 is: 28,568,584.08
Step by Step Solution
- Step 1: Write the proportion equation
34,644,698.60 : 47,806,438.44 = 20,703,277.99 : x - Step 2: Convert to fraction form
34,644,698.60/47,806,438.44 = 20,703,277.99/x - Step 3: Cross multiply
34,644,698.60x = 47,806,438.44 × 20,703,277.99 - Step 4: Simplify right side
34,644,698.60x = 989,749,984,872,537.38 - Step 5: Solve for x
x = 989,749,984,872,537.38/34,644,698.60 - Step 6: Final answer
x = 28,568,584.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.