Finding the Fourth Proportional to 22,243,386.20, 33,365,079.30 and 17,465,811.80
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Solution
The fourth proportional to 22,243,386.20, 33,365,079.30 and 17,465,811.80 is: 26,198,717.70
Step by Step Solution
- Step 1: Write the proportion equation
22,243,386.20 : 33,365,079.30 = 17,465,811.80 : x - Step 2: Convert to fraction form
22,243,386.20/33,365,079.30 = 17,465,811.80/x - Step 3: Cross multiply
22,243,386.20x = 33,365,079.30 × 17,465,811.80 - Step 4: Simplify right side
22,243,386.20x = 582,748,195,745,875.75 - Step 5: Solve for x
x = 582,748,195,745,875.75/22,243,386.20 - Step 6: Final answer
x = 26,198,717.70
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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.