Finding the Fourth Proportional to 34,601,413.98, 47,749,425.84 and 18,920,488.53
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Solution
The fourth proportional to 34,601,413.98, 47,749,425.84 and 18,920,488.53 is: 26,109,986.85
Step by Step Solution
- Step 1: Write the proportion equation
34,601,413.98 : 47,749,425.84 = 18,920,488.53 : x - Step 2: Convert to fraction form
34,601,413.98/47,749,425.84 = 18,920,488.53/x - Step 3: Cross multiply
34,601,413.98x = 47,749,425.84 × 18,920,488.53 - Step 4: Simplify right side
34,601,413.98x = 903,442,463,919,805.75 - Step 5: Solve for x
x = 903,442,463,919,805.75/34,601,413.98 - Step 6: Final answer
x = 26,109,986.85
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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.