Finding the Fourth Proportional to 38,736,745.14, 53,456,062.35 and 21,334,709.60
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Solution
The fourth proportional to 38,736,745.14, 53,456,062.35 and 21,334,709.60 is: 29,441,543.48
Step by Step Solution
- Step 1: Write the proportion equation
38,736,745.14 : 53,456,062.35 = 21,334,709.60 : x - Step 2: Convert to fraction form
38,736,745.14/53,456,062.35 = 21,334,709.60/x - Step 3: Cross multiply
38,736,745.14x = 53,456,062.35 × 21,334,709.60 - Step 4: Simplify right side
38,736,745.14x = 1,140,469,566,329,463.25 - Step 5: Solve for x
x = 1,140,469,566,329,463.25/38,736,745.14 - Step 6: Final answer
x = 29,441,543.48
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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.