Finding the Fourth Proportional to 10,438,537.14, 15,660,058.05 and 3,151,392.30
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Solution
The fourth proportional to 10,438,537.14, 15,660,058.05 and 3,151,392.30 is: 4,727,768.43
Step by Step Solution
- Step 1: Write the proportion equation
10,438,537.14 : 15,660,058.05 = 3,151,392.30 : x - Step 2: Convert to fraction form
10,438,537.14/15,660,058.05 = 3,151,392.30/x - Step 3: Cross multiply
10,438,537.14x = 15,660,058.05 × 3,151,392.30 - Step 4: Simplify right side
10,438,537.14x = 49,350,986,356,323.02 - Step 5: Solve for x
x = 49,350,986,356,323.02/10,438,537.14 - Step 6: Final answer
x = 4,727,768.43
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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.