Finding the Fourth Proportional to 18,145,280.70, 27,217,337.85 and 6,015,303.90
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Solution
The fourth proportional to 18,145,280.70, 27,217,337.85 and 6,015,303.90 is: 9,022,762.51
Step by Step Solution
- Step 1: Write the proportion equation
18,145,280.70 : 27,217,337.85 = 6,015,303.90 : x - Step 2: Convert to fraction form
18,145,280.70/27,217,337.85 = 6,015,303.90/x - Step 3: Cross multiply
18,145,280.70x = 27,217,337.85 × 6,015,303.90 - Step 4: Simplify right side
18,145,280.70x = 163,720,558,516,722.62 - Step 5: Solve for x
x = 163,720,558,516,722.62/18,145,280.70 - Step 6: Final answer
x = 9,022,762.51
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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.