Finding the Fourth Proportional to 38,661,564.99, 58,028,791.56 and 14,093,238.45
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Solution
The fourth proportional to 38,661,564.99, 58,028,791.56 and 14,093,238.45 is: 21,153,142.58
Step by Step Solution
- Step 1: Write the proportion equation
38,661,564.99 : 58,028,791.56 = 14,093,238.45 : x - Step 2: Convert to fraction form
38,661,564.99/58,028,791.56 = 14,093,238.45/x - Step 3: Cross multiply
38,661,564.99x = 58,028,791.56 × 14,093,238.45 - Step 4: Simplify right side
38,661,564.99x = 817,813,596,420,427.50 - Step 5: Solve for x
x = 817,813,596,420,427.50/38,661,564.99 - Step 6: Final answer
x = 21,153,142.58
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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.