Finding the Fourth Proportional to 22,157,348.80, 33,175,966.56 and 11,497,385.92
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Solution
The fourth proportional to 22,157,348.80, 33,175,966.56 and 11,497,385.92 is: 17,214,915.66
Step by Step Solution
- Step 1: Write the proportion equation
22,157,348.80 : 33,175,966.56 = 11,497,385.92 : x - Step 2: Convert to fraction form
22,157,348.80/33,175,966.56 = 11,497,385.92/x - Step 3: Cross multiply
22,157,348.80x = 33,175,966.56 × 11,497,385.92 - Step 4: Simplify right side
22,157,348.80x = 381,436,890,809,334.81 - Step 5: Solve for x
x = 381,436,890,809,334.81/22,157,348.80 - Step 6: Final answer
x = 17,214,915.66
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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.