Finding the Fourth Proportional to 14,449,168.80, 19,946,210.85 and 10,115,267.40
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Solution
The fourth proportional to 14,449,168.80, 19,946,210.85 and 10,115,267.40 is: 13,963,519.92
Step by Step Solution
- Step 1: Write the proportion equation
14,449,168.80 : 19,946,210.85 = 10,115,267.40 : x - Step 2: Convert to fraction form
14,449,168.80/19,946,210.85 = 10,115,267.40/x - Step 3: Cross multiply
14,449,168.80x = 19,946,210.85 × 10,115,267.40 - Step 4: Simplify right side
14,449,168.80x = 201,761,256,364,531.31 - Step 5: Solve for x
x = 201,761,256,364,531.31/14,449,168.80 - Step 6: Final answer
x = 13,963,519.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.