Finding the Fourth Proportional to 10,318,277.80, 15,477,416.70 and 5,839,301.80
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Solution
The fourth proportional to 10,318,277.80, 15,477,416.70 and 5,839,301.80 is: 8,758,952.70
Step by Step Solution
- Step 1: Write the proportion equation
10,318,277.80 : 15,477,416.70 = 5,839,301.80 : x - Step 2: Convert to fraction form
10,318,277.80/15,477,416.70 = 5,839,301.80/x - Step 3: Cross multiply
10,318,277.80x = 15,477,416.70 × 5,839,301.80 - Step 4: Simplify right side
10,318,277.80x = 90,377,307,195,660.05 - Step 5: Solve for x
x = 90,377,307,195,660.05/10,318,277.80 - Step 6: Final answer
x = 8,758,952.70
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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.