Finding the Fourth Proportional to 12,005,722.99, 18,018,294.77 and 9,303,640.75
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Solution
The fourth proportional to 12,005,722.99, 18,018,294.77 and 9,303,640.75 is: 13,962,985.95
Step by Step Solution
- Step 1: Write the proportion equation
12,005,722.99 : 18,018,294.77 = 9,303,640.75 : x - Step 2: Convert to fraction form
12,005,722.99/18,018,294.77 = 9,303,640.75/x - Step 3: Cross multiply
12,005,722.99x = 18,018,294.77 × 9,303,640.75 - Step 4: Simplify right side
12,005,722.99x = 167,635,741,467,683.88 - Step 5: Solve for x
x = 167,635,741,467,683.88/12,005,722.99 - Step 6: Final answer
x = 13,962,985.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.