Finding the Fourth Proportional to 8,126,626.95, 12,118,315.59 and 8,053,777.98
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Solution
The fourth proportional to 8,126,626.95, 12,118,315.59 and 8,053,777.98 is: 12,009,684.20
Step by Step Solution
- Step 1: Write the proportion equation
8,126,626.95 : 12,118,315.59 = 8,053,777.98 : x - Step 2: Convert to fraction form
8,126,626.95/12,118,315.59 = 8,053,777.98/x - Step 3: Cross multiply
8,126,626.95x = 12,118,315.59 × 8,053,777.98 - Step 4: Simplify right side
8,126,626.95x = 97,598,223,253,432.72 - Step 5: Solve for x
x = 97,598,223,253,432.72/8,126,626.95 - Step 6: Final answer
x = 12,009,684.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.