Finding the Fourth Proportional to 26,707,839.60, 40,103,749.80 and 15,370,431.60
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Solution
The fourth proportional to 26,707,839.60, 40,103,749.80 and 15,370,431.60 is: 23,079,812.99
Step by Step Solution
- Step 1: Write the proportion equation
26,707,839.60 : 40,103,749.80 = 15,370,431.60 : x - Step 2: Convert to fraction form
26,707,839.60/40,103,749.80 = 15,370,431.60/x - Step 3: Cross multiply
26,707,839.60x = 40,103,749.80 × 15,370,431.60 - Step 4: Simplify right side
26,707,839.60x = 616,411,943,204,413.62 - Step 5: Solve for x
x = 616,411,943,204,413.62/26,707,839.60 - Step 6: Final answer
x = 23,079,812.99
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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.