Finding the Fourth Proportional to 19,570,246.80, 29,355,370.20 and 14,468,413.20
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Solution
The fourth proportional to 19,570,246.80, 29,355,370.20 and 14,468,413.20 is: 21,702,619.80
Step by Step Solution
- Step 1: Write the proportion equation
19,570,246.80 : 29,355,370.20 = 14,468,413.20 : x - Step 2: Convert to fraction form
19,570,246.80/29,355,370.20 = 14,468,413.20/x - Step 3: Cross multiply
19,570,246.80x = 29,355,370.20 × 14,468,413.20 - Step 4: Simplify right side
19,570,246.80x = 424,725,625,692,566.62 - Step 5: Solve for x
x = 424,725,625,692,566.62/19,570,246.80 - Step 6: Final answer
x = 21,702,619.80
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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.