Finding the Fourth Proportional to 22,245,749.47, 33,356,432.93 and 6,888,775.70
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Solution
The fourth proportional to 22,245,749.47, 33,356,432.93 and 6,888,775.70 is: 10,329,388.31
Step by Step Solution
- Step 1: Write the proportion equation
22,245,749.47 : 33,356,432.93 = 6,888,775.70 : x - Step 2: Convert to fraction form
22,245,749.47/33,356,432.93 = 6,888,775.70/x - Step 3: Cross multiply
22,245,749.47x = 33,356,432.93 × 6,888,775.70 - Step 4: Simplify right side
22,245,749.47x = 229,784,984,468,181.09 - Step 5: Solve for x
x = 229,784,984,468,181.09/22,245,749.47 - Step 6: Final answer
x = 10,329,388.31
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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.