Finding the Fourth Proportional to 16,129,190.40, 24,168,902.40 and 13,989,235.20
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Solution
The fourth proportional to 16,129,190.40, 24,168,902.40 and 13,989,235.20 is: 20,962,271.00
Step by Step Solution
- Step 1: Write the proportion equation
16,129,190.40 : 24,168,902.40 = 13,989,235.20 : x - Step 2: Convert to fraction form
16,129,190.40/24,168,902.40 = 13,989,235.20/x - Step 3: Cross multiply
16,129,190.40x = 24,168,902.40 × 13,989,235.20 - Step 4: Simplify right side
16,129,190.40x = 338,104,460,199,444.44 - Step 5: Solve for x
x = 338,104,460,199,444.44/16,129,190.40 - Step 6: Final answer
x = 20,962,271.00
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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.