Finding the Fourth Proportional to 13,159,205.60, 19,738,808.40 and 4,184,664.80
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Solution
The fourth proportional to 13,159,205.60, 19,738,808.40 and 4,184,664.80 is: 6,276,997.20
Step by Step Solution
- Step 1: Write the proportion equation
13,159,205.60 : 19,738,808.40 = 4,184,664.80 : x - Step 2: Convert to fraction form
13,159,205.60/19,738,808.40 = 4,184,664.80/x - Step 3: Cross multiply
13,159,205.60x = 19,738,808.40 × 4,184,664.80 - Step 4: Simplify right side
13,159,205.60x = 82,600,296,705,424.31 - Step 5: Solve for x
x = 82,600,296,705,424.31/13,159,205.60 - Step 6: Final answer
x = 6,276,997.20
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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.