Finding the Fourth Proportional to 38,223,883.20, 57,352,413.60 and 19,312,651.20
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Solution
The fourth proportional to 38,223,883.20, 57,352,413.60 and 19,312,651.20 is: 28,977,358.31
Step by Step Solution
- Step 1: Write the proportion equation
38,223,883.20 : 57,352,413.60 = 19,312,651.20 : x - Step 2: Convert to fraction form
38,223,883.20/57,352,413.60 = 19,312,651.20/x - Step 3: Cross multiply
38,223,883.20x = 57,352,413.60 × 19,312,651.20 - Step 4: Simplify right side
38,223,883.20x = 1,107,627,159,334,936.25 - Step 5: Solve for x
x = 1,107,627,159,334,936.25/38,223,883.20 - Step 6: Final answer
x = 28,977,358.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.