Finding the Fourth Proportional to 47,335,612.77, 65,318,169.30 and 27,485,497.95
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Solution
The fourth proportional to 47,335,612.77, 65,318,169.30 and 27,485,497.95 is: 37,927,097.66
Step by Step Solution
- Step 1: Write the proportion equation
47,335,612.77 : 65,318,169.30 = 27,485,497.95 : x - Step 2: Convert to fraction form
47,335,612.77/65,318,169.30 = 27,485,497.95/x - Step 3: Cross multiply
47,335,612.77x = 65,318,169.30 × 27,485,497.95 - Step 4: Simplify right side
47,335,612.77x = 1,795,302,408,392,902.75 - Step 5: Solve for x
x = 1,795,302,408,392,902.75/47,335,612.77 - Step 6: Final answer
x = 37,927,097.66
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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.