Finding the Fourth Proportional to 19,416,739.20, 29,133,273.60 and 10,430,793.60
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Solution
The fourth proportional to 19,416,739.20, 29,133,273.60 and 10,430,793.60 is: 15,650,576.58
Step by Step Solution
- Step 1: Write the proportion equation
19,416,739.20 : 29,133,273.60 = 10,430,793.60 : x - Step 2: Convert to fraction form
19,416,739.20/29,133,273.60 = 10,430,793.60/x - Step 3: Cross multiply
19,416,739.20x = 29,133,273.60 × 10,430,793.60 - Step 4: Simplify right side
19,416,739.20x = 303,883,163,813,928.94 - Step 5: Solve for x
x = 303,883,163,813,928.94/19,416,739.20 - Step 6: Final answer
x = 15,650,576.58
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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.