Finding the Fourth Proportional to 18,029,742.13, 27,044,413.53 and 4,382,901.55
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Solution
The fourth proportional to 18,029,742.13, 27,044,413.53 and 4,382,901.55 is: 6,574,303.79
Step by Step Solution
- Step 1: Write the proportion equation
18,029,742.13 : 27,044,413.53 = 4,382,901.55 : x - Step 2: Convert to fraction form
18,029,742.13/27,044,413.53 = 4,382,901.55/x - Step 3: Cross multiply
18,029,742.13x = 27,044,413.53 × 4,382,901.55 - Step 4: Simplify right side
18,029,742.13x = 118,533,001,979,477.97 - Step 5: Solve for x
x = 118,533,001,979,477.97/18,029,742.13 - Step 6: Final answer
x = 6,574,303.79
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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.