Finding the Fourth Proportional to 22,389,289.20, 33,582,670.56 and 9,921,903.75
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Solution
The fourth proportional to 22,389,289.20, 33,582,670.56 and 9,921,903.75 is: 14,882,295.82
Step by Step Solution
- Step 1: Write the proportion equation
22,389,289.20 : 33,582,670.56 = 9,921,903.75 : x - Step 2: Convert to fraction form
22,389,289.20/33,582,670.56 = 9,921,903.75/x - Step 3: Cross multiply
22,389,289.20x = 33,582,670.56 × 9,921,903.75 - Step 4: Simplify right side
22,389,289.20x = 333,204,024,964,278.62 - Step 5: Solve for x
x = 333,204,024,964,278.62/22,389,289.20 - Step 6: Final answer
x = 14,882,295.82
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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.