Finding the Fourth Proportional to 19,936,246.80, 29,904,370.20 and 14,834,413.20
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Solution
The fourth proportional to 19,936,246.80, 29,904,370.20 and 14,834,413.20 is: 22,251,619.80
Step by Step Solution
- Step 1: Write the proportion equation
19,936,246.80 : 29,904,370.20 = 14,834,413.20 : x - Step 2: Convert to fraction form
19,936,246.80/29,904,370.20 = 14,834,413.20/x - Step 3: Cross multiply
19,936,246.80x = 29,904,370.20 × 14,834,413.20 - Step 4: Simplify right side
19,936,246.80x = 443,613,784,032,566.62 - Step 5: Solve for x
x = 443,613,784,032,566.62/19,936,246.80 - Step 6: Final answer
x = 22,251,619.80
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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.