Finding the Fourth Proportional to 8,845,903.18, 12,211,113.24 and 5,946,975.46
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Solution
The fourth proportional to 8,845,903.18, 12,211,113.24 and 5,946,975.46 is: 8,209,358.54
Step by Step Solution
- Step 1: Write the proportion equation
8,845,903.18 : 12,211,113.24 = 5,946,975.46 : x - Step 2: Convert to fraction form
8,845,903.18/12,211,113.24 = 5,946,975.46/x - Step 3: Cross multiply
8,845,903.18x = 12,211,113.24 × 5,946,975.46 - Step 4: Simplify right side
8,845,903.18x = 72,619,190,777,561.09 - Step 5: Solve for x
x = 72,619,190,777,561.09/8,845,903.18 - Step 6: Final answer
x = 8,209,358.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.