Finding the Fourth Proportional to 10,183,762.80, 15,293,358.90 and 5,400,793.80
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Solution
The fourth proportional to 10,183,762.80, 15,293,358.90 and 5,400,793.80 is: 8,110,585.40
Step by Step Solution
- Step 1: Write the proportion equation
10,183,762.80 : 15,293,358.90 = 5,400,793.80 : x - Step 2: Convert to fraction form
10,183,762.80/15,293,358.90 = 5,400,793.80/x - Step 3: Cross multiply
10,183,762.80x = 15,293,358.90 × 5,400,793.80 - Step 4: Simplify right side
10,183,762.80x = 82,596,277,928,294.81 - Step 5: Solve for x
x = 82,596,277,928,294.81/10,183,762.80 - Step 6: Final answer
x = 8,110,585.40
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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.