Finding the Fourth Proportional to 26,492,555.70, 39,644,355.15 and 18,367,413.30
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Solution
The fourth proportional to 26,492,555.70, 39,644,355.15 and 18,367,413.30 is: 27,485,617.63
Step by Step Solution
- Step 1: Write the proportion equation
26,492,555.70 : 39,644,355.15 = 18,367,413.30 : x - Step 2: Convert to fraction form
26,492,555.70/39,644,355.15 = 18,367,413.30/x - Step 3: Cross multiply
26,492,555.70x = 39,644,355.15 × 18,367,413.30 - Step 4: Simplify right side
26,492,555.70x = 728,164,256,052,033.50 - Step 5: Solve for x
x = 728,164,256,052,033.50/26,492,555.70 - Step 6: Final answer
x = 27,485,617.63
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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.