Finding the Fourth Proportional to 10,939,501.80, 16,424,027.10 and 6,395,207.40
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Solution
The fourth proportional to 10,939,501.80, 16,424,027.10 and 6,395,207.40 is: 9,601,448.18
Step by Step Solution
- Step 1: Write the proportion equation
10,939,501.80 : 16,424,027.10 = 6,395,207.40 : x - Step 2: Convert to fraction form
10,939,501.80/16,424,027.10 = 6,395,207.40/x - Step 3: Cross multiply
10,939,501.80x = 16,424,027.10 × 6,395,207.40 - Step 4: Simplify right side
10,939,501.80x = 105,035,059,647,720.55 - Step 5: Solve for x
x = 105,035,059,647,720.55/10,939,501.80 - Step 6: Final answer
x = 9,601,448.18
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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.