Finding the Fourth Proportional to 10,430,163.20, 15,645,244.80 and 10,430,163.20
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Solution
The fourth proportional to 10,430,163.20, 15,645,244.80 and 10,430,163.20 is: 15,645,244.80
Step by Step Solution
- Step 1: Write the proportion equation
10,430,163.20 : 15,645,244.80 = 10,430,163.20 : x - Step 2: Convert to fraction form
10,430,163.20/15,645,244.80 = 10,430,163.20/x - Step 3: Cross multiply
10,430,163.20x = 15,645,244.80 × 10,430,163.20 - Step 4: Simplify right side
10,430,163.20x = 163,182,456,567,951.34 - Step 5: Solve for x
x = 163,182,456,567,951.34/10,430,163.20 - Step 6: Final answer
x = 15,645,244.80
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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.