Finding the Fourth Proportional to 8,878,768.98, 13,313,066.49 and 2,729,149.08
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Solution
The fourth proportional to 8,878,768.98, 13,313,066.49 and 2,729,149.08 is: 4,092,159.99
Step by Step Solution
- Step 1: Write the proportion equation
8,878,768.98 : 13,313,066.49 = 2,729,149.08 : x - Step 2: Convert to fraction form
8,878,768.98/13,313,066.49 = 2,729,149.08/x - Step 3: Cross multiply
8,878,768.98x = 13,313,066.49 × 2,729,149.08 - Step 4: Simplify right side
8,878,768.98x = 36,333,343,163,162.33 - Step 5: Solve for x
x = 36,333,343,163,162.33/8,878,768.98 - Step 6: Final answer
x = 4,092,159.99
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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.