Finding the Fourth Proportional to 38,947,969.23, 53,730,099.67 and 25,201,374.99
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Solution
The fourth proportional to 38,947,969.23, 53,730,099.67 and 25,201,374.99 is: 34,766,187.22
Step by Step Solution
- Step 1: Write the proportion equation
38,947,969.23 : 53,730,099.67 = 25,201,374.99 : x - Step 2: Convert to fraction form
38,947,969.23/53,730,099.67 = 25,201,374.99/x - Step 3: Cross multiply
38,947,969.23x = 53,730,099.67 × 25,201,374.99 - Step 4: Simplify right side
38,947,969.23x = 1,354,072,390,033,745.25 - Step 5: Solve for x
x = 1,354,072,390,033,745.25/38,947,969.23 - Step 6: Final answer
x = 34,766,187.22
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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.