Finding the Fourth Proportional to 10,368,098.80, 15,552,148.20 and 9,422,537.20
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Solution
The fourth proportional to 10,368,098.80, 15,552,148.20 and 9,422,537.20 is: 14,133,805.80
Step by Step Solution
- Step 1: Write the proportion equation
10,368,098.80 : 15,552,148.20 = 9,422,537.20 : x - Step 2: Convert to fraction form
10,368,098.80/15,552,148.20 = 9,422,537.20/x - Step 3: Cross multiply
10,368,098.80x = 15,552,148.20 × 9,422,537.20 - Step 4: Simplify right side
10,368,098.80x = 146,540,694,954,413.03 - Step 5: Solve for x
x = 146,540,694,954,413.03/10,368,098.80 - Step 6: Final answer
x = 14,133,805.80
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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.