Finding the Fourth Proportional to 14,429,696.88, 19,912,272.12 and 7,903,354.80
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Solution
The fourth proportional to 14,429,696.88, 19,912,272.12 and 7,903,354.80 is: 10,906,240.98
Step by Step Solution
- Step 1: Write the proportion equation
14,429,696.88 : 19,912,272.12 = 7,903,354.80 : x - Step 2: Convert to fraction form
14,429,696.88/19,912,272.12 = 7,903,354.80/x - Step 3: Cross multiply
14,429,696.88x = 19,912,272.12 × 7,903,354.80 - Step 4: Simplify right side
14,429,696.88x = 157,373,751,438,508.19 - Step 5: Solve for x
x = 157,373,751,438,508.19/14,429,696.88 - Step 6: Final answer
x = 10,906,240.98
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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.