Finding the Fourth Proportional to 14,078,092.88, 19,427,768.17 and 7,639,564.88
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Solution
The fourth proportional to 14,078,092.88, 19,427,768.17 and 7,639,564.88 is: 10,542,599.53
Step by Step Solution
- Step 1: Write the proportion equation
14,078,092.88 : 19,427,768.17 = 7,639,564.88 : x - Step 2: Convert to fraction form
14,078,092.88/19,427,768.17 = 7,639,564.88/x - Step 3: Cross multiply
14,078,092.88x = 19,427,768.17 × 7,639,564.88 - Step 4: Simplify right side
14,078,092.88x = 148,419,695,408,313.88 - Step 5: Solve for x
x = 148,419,695,408,313.88/14,078,092.88 - Step 6: Final answer
x = 10,542,599.53
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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.