Finding the Fourth Proportional to 13,167,148.97, 18,170,692.25 and 7,366,027.58
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Solution
The fourth proportional to 13,167,148.97, 18,170,692.25 and 7,366,027.58 is: 10,165,132.99
Step by Step Solution
- Step 1: Write the proportion equation
13,167,148.97 : 18,170,692.25 = 7,366,027.58 : x - Step 2: Convert to fraction form
13,167,148.97/18,170,692.25 = 7,366,027.58/x - Step 3: Cross multiply
13,167,148.97x = 18,170,692.25 × 7,366,027.58 - Step 4: Simplify right side
13,167,148.97x = 133,845,820,269,788.84 - Step 5: Solve for x
x = 133,845,820,269,788.84/13,167,148.97 - Step 6: Final answer
x = 10,165,132.99
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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.