Finding the Fourth Proportional to 12,795,789.36, 19,193,683.68 and 4,276,125.60
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Solution
The fourth proportional to 12,795,789.36, 19,193,683.68 and 4,276,125.60 is: 6,414,188.28
Step by Step Solution
- Step 1: Write the proportion equation
12,795,789.36 : 19,193,683.68 = 4,276,125.60 : x - Step 2: Convert to fraction form
12,795,789.36/19,193,683.68 = 4,276,125.60/x - Step 3: Cross multiply
12,795,789.36x = 19,193,683.68 × 4,276,125.60 - Step 4: Simplify right side
12,795,789.36x = 82,074,602,142,350.20 - Step 5: Solve for x
x = 82,074,602,142,350.20/12,795,789.36 - Step 6: Final answer
x = 6,414,188.28
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1.5x scale
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.