Finding the Fourth Proportional to 34,623,133.25, 47,778,511.95 and 19,939,352.81
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Solution
The fourth proportional to 34,623,133.25, 47,778,511.95 and 19,939,352.81 is: 27,515,493.75
Step by Step Solution
- Step 1: Write the proportion equation
34,623,133.25 : 47,778,511.95 = 19,939,352.81 : x - Step 2: Convert to fraction form
34,623,133.25/47,778,511.95 = 19,939,352.81/x - Step 3: Cross multiply
34,623,133.25x = 47,778,511.95 × 19,939,352.81 - Step 4: Simplify right side
34,623,133.25x = 952,672,606,627,297.38 - Step 5: Solve for x
x = 952,672,606,627,297.38/34,623,133.25 - Step 6: Final answer
x = 27,515,493.75
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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.