Finding the Fourth Proportional to 14,395,534.39, 19,865,838.95 and 7,869,190.44
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Solution
The fourth proportional to 14,395,534.39, 19,865,838.95 and 7,869,190.44 is: 10,859,483.63
Step by Step Solution
- Step 1: Write the proportion equation
14,395,534.39 : 19,865,838.95 = 7,869,190.44 : x - Step 2: Convert to fraction form
14,395,534.39/19,865,838.95 = 7,869,190.44/x - Step 3: Cross multiply
14,395,534.39x = 19,865,838.95 × 7,869,190.44 - Step 4: Simplify right side
14,395,534.39x = 156,328,070,056,844.22 - Step 5: Solve for x
x = 156,328,070,056,844.22/14,395,534.39 - Step 6: Final answer
x = 10,859,483.63
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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.