Finding the Fourth Proportional to 38,193,987.12, 57,290,413.68 and 9,440,121.12
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Solution
The fourth proportional to 38,193,987.12, 57,290,413.68 and 9,440,121.12 is: 14,160,041.54
Step by Step Solution
- Step 1: Write the proportion equation
38,193,987.12 : 57,290,413.68 = 9,440,121.12 : x - Step 2: Convert to fraction form
38,193,987.12/57,290,413.68 = 9,440,121.12/x - Step 3: Cross multiply
38,193,987.12x = 57,290,413.68 × 9,440,121.12 - Step 4: Simplify right side
38,193,987.12x = 540,828,444,154,104.88 - Step 5: Solve for x
x = 540,828,444,154,104.88/38,193,987.12 - Step 6: Final answer
x = 14,160,041.54
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1.5x scale
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.