Finding the Fourth Proportional to 22,191,340.40, 33,290,653.80 and 6,838,632.68
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Solution
The fourth proportional to 22,191,340.40, 33,290,653.80 and 6,838,632.68 is: 10,259,071.73
Step by Step Solution
- Step 1: Write the proportion equation
22,191,340.40 : 33,290,653.80 = 6,838,632.68 : x - Step 2: Convert to fraction form
22,191,340.40/33,290,653.80 = 6,838,632.68/x - Step 3: Cross multiply
22,191,340.40x = 33,290,653.80 × 6,838,632.68 - Step 4: Simplify right side
22,191,340.40x = 227,662,553,015,246.19 - Step 5: Solve for x
x = 227,662,553,015,246.19/22,191,340.40 - Step 6: Final answer
x = 10,259,071.73
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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.