Finding the Fourth Proportional to 52,812,908.39, 79,163,450.75 and 17,764,657.91
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Solution
The fourth proportional to 52,812,908.39, 79,163,450.75 and 17,764,657.91 is: 26,628,179.83
Step by Step Solution
- Step 1: Write the proportion equation
52,812,908.39 : 79,163,450.75 = 17,764,657.91 : x - Step 2: Convert to fraction form
52,812,908.39/79,163,450.75 = 17,764,657.91/x - Step 3: Cross multiply
52,812,908.39x = 79,163,450.75 × 17,764,657.91 - Step 4: Simplify right side
52,812,908.39x = 1,406,311,621,939,634.50 - Step 5: Solve for x
x = 1,406,311,621,939,634.50/52,812,908.39 - Step 6: Final answer
x = 26,628,179.83
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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.