Finding the Fourth Proportional to 22,185,282.30, 33,429,354.36 and 18,230,364.84
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Solution
The fourth proportional to 22,185,282.30, 33,429,354.36 and 18,230,364.84 is: 27,469,982.94
Step by Step Solution
- Step 1: Write the proportion equation
22,185,282.30 : 33,429,354.36 = 18,230,364.84 : x - Step 2: Convert to fraction form
22,185,282.30/33,429,354.36 = 18,230,364.84/x - Step 3: Cross multiply
22,185,282.30x = 33,429,354.36 × 18,230,364.84 - Step 4: Simplify right side
22,185,282.30x = 609,429,326,348,444.62 - Step 5: Solve for x
x = 609,429,326,348,444.62/22,185,282.30 - Step 6: Final answer
x = 27,469,982.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.