Finding the Fourth Proportional to 16,133,430.96, 22,263,932.16 and 8,791,584.48
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Solution
The fourth proportional to 16,133,430.96, 22,263,932.16 and 8,791,584.48 is: 12,132,276.20
Step by Step Solution
- Step 1: Write the proportion equation
16,133,430.96 : 22,263,932.16 = 8,791,584.48 : x - Step 2: Convert to fraction form
16,133,430.96/22,263,932.16 = 8,791,584.48/x - Step 3: Cross multiply
16,133,430.96x = 22,263,932.16 × 8,791,584.48 - Step 4: Simplify right side
16,133,430.96x = 195,735,240,441,628.88 - Step 5: Solve for x
x = 195,735,240,441,628.88/16,133,430.96 - Step 6: Final answer
x = 12,132,276.20
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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.