Finding the Fourth Proportional to 18,379,125.83, 27,571,683.41 and 5,426,585.81
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Solution
The fourth proportional to 18,379,125.83, 27,571,683.41 and 5,426,585.81 is: 8,140,762.91
Step by Step Solution
- Step 1: Write the proportion equation
18,379,125.83 : 27,571,683.41 = 5,426,585.81 : x - Step 2: Convert to fraction form
18,379,125.83/27,571,683.41 = 5,426,585.81/x - Step 3: Cross multiply
18,379,125.83x = 27,571,683.41 × 5,426,585.81 - Step 4: Simplify right side
18,379,125.83x = 149,620,105,950,518.41 - Step 5: Solve for x
x = 149,620,105,950,518.41/18,379,125.83 - Step 6: Final answer
x = 8,140,762.91
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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.