Finding the Fourth Proportional to 9,462,365.79, 14,193,343.95 and 2,638,757.21
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Solution
The fourth proportional to 9,462,365.79, 14,193,343.95 and 2,638,757.21 is: 3,958,078.72
Step by Step Solution
- Step 1: Write the proportion equation
9,462,365.79 : 14,193,343.95 = 2,638,757.21 : x - Step 2: Convert to fraction form
9,462,365.79/14,193,343.95 = 2,638,757.21/x - Step 3: Cross multiply
9,462,365.79x = 14,193,343.95 × 2,638,757.21 - Step 4: Simplify right side
9,462,365.79x = 37,452,788,668,878.59 - Step 5: Solve for x
x = 37,452,788,668,878.59/9,462,365.79 - Step 6: Final answer
x = 3,958,078.72
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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.