Finding the Fourth Proportional to 13,542,643.08, 20,299,682.70 and 4,442,364.36
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Solution
The fourth proportional to 13,542,643.08, 20,299,682.70 and 4,442,364.36 is: 6,658,861.67
Step by Step Solution
- Step 1: Write the proportion equation
13,542,643.08 : 20,299,682.70 = 4,442,364.36 : x - Step 2: Convert to fraction form
13,542,643.08/20,299,682.70 = 4,442,364.36/x - Step 3: Cross multiply
13,542,643.08x = 20,299,682.70 × 4,442,364.36 - Step 4: Simplify right side
13,542,643.08x = 90,178,586,945,788.58 - Step 5: Solve for x
x = 90,178,586,945,788.58/13,542,643.08 - Step 6: Final answer
x = 6,658,861.67
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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.