Finding the Fourth Proportional to 26,815,413.17, 40,212,910.10 and 15,888,686.21
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Solution
The fourth proportional to 26,815,413.17, 40,212,910.10 and 15,888,686.21 is: 23,826,979.88
Step by Step Solution
- Step 1: Write the proportion equation
26,815,413.17 : 40,212,910.10 = 15,888,686.21 : x - Step 2: Convert to fraction form
26,815,413.17/40,212,910.10 = 15,888,686.21/x - Step 3: Cross multiply
26,815,413.17x = 40,212,910.10 × 15,888,686.21 - Step 4: Simplify right side
26,815,413.17x = 638,930,309,889,331.75 - Step 5: Solve for x
x = 638,930,309,889,331.75/26,815,413.17 - Step 6: Final answer
x = 23,826,979.88
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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.