Finding the Fourth Proportional to 13,829,145.97, 19,083,721.22 and 7,634,059.70
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Solution
The fourth proportional to 13,829,145.97, 19,083,721.22 and 7,634,059.70 is: 10,534,726.25
Step by Step Solution
- Step 1: Write the proportion equation
13,829,145.97 : 19,083,721.22 = 7,634,059.70 : x - Step 2: Convert to fraction form
13,829,145.97/19,083,721.22 = 7,634,059.70/x - Step 3: Cross multiply
13,829,145.97x = 19,083,721.22 × 7,634,059.70 - Step 4: Simplify right side
13,829,145.97x = 145,686,267,115,496.19 - Step 5: Solve for x
x = 145,686,267,115,496.19/13,829,145.97 - Step 6: Final answer
x = 10,534,726.25
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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.