Finding the Fourth Proportional to 22,179,015.11, 33,130,215.16 and 16,432,971.48
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Solution
The fourth proportional to 22,179,015.11, 33,130,215.16 and 16,432,971.48 is: 24,546,981.82
Step by Step Solution
- Step 1: Write the proportion equation
22,179,015.11 : 33,130,215.16 = 16,432,971.48 : x - Step 2: Convert to fraction form
22,179,015.11/33,130,215.16 = 16,432,971.48/x - Step 3: Cross multiply
22,179,015.11x = 33,130,215.16 × 16,432,971.48 - Step 4: Simplify right side
22,179,015.11x = 544,427,880,809,461.19 - Step 5: Solve for x
x = 544,427,880,809,461.19/22,179,015.11 - Step 6: Final answer
x = 24,546,981.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.