Finding the Fourth Proportional to 10,369,750.80, 15,554,626.20 and 5,816,125.20
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Solution
The fourth proportional to 10,369,750.80, 15,554,626.20 and 5,816,125.20 is: 8,724,187.80
Step by Step Solution
- Step 1: Write the proportion equation
10,369,750.80 : 15,554,626.20 = 5,816,125.20 : x - Step 2: Convert to fraction form
10,369,750.80/15,554,626.20 = 5,816,125.20/x - Step 3: Cross multiply
10,369,750.80x = 15,554,626.20 × 5,816,125.20 - Step 4: Simplify right side
10,369,750.80x = 90,467,653,418,400.23 - Step 5: Solve for x
x = 90,467,653,418,400.23/10,369,750.80 - Step 6: Final answer
x = 8,724,187.80
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1.5x scale
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.