Finding the Fourth Proportional to 10,891,823.80, 16,337,735.70 and 2,913,647.80
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Solution
The fourth proportional to 10,891,823.80, 16,337,735.70 and 2,913,647.80 is: 4,370,471.70
Step by Step Solution
- Step 1: Write the proportion equation
10,891,823.80 : 16,337,735.70 = 2,913,647.80 : x - Step 2: Convert to fraction form
10,891,823.80/16,337,735.70 = 2,913,647.80/x - Step 3: Cross multiply
10,891,823.80x = 16,337,735.70 × 2,913,647.80 - Step 4: Simplify right side
10,891,823.80x = 47,602,407,679,286.45 - Step 5: Solve for x
x = 47,602,407,679,286.45/10,891,823.80 - Step 6: Final answer
x = 4,370,471.70
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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.