Finding the Fourth Proportional to 26,913,990.45, 40,370,745.09 and 8,471,326.53
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Solution
The fourth proportional to 26,913,990.45, 40,370,745.09 and 8,471,326.53 is: 12,706,914.07
Step by Step Solution
- Step 1: Write the proportion equation
26,913,990.45 : 40,370,745.09 = 8,471,326.53 : x - Step 2: Convert to fraction form
26,913,990.45/40,370,745.09 = 8,471,326.53/x - Step 3: Cross multiply
26,913,990.45x = 40,370,745.09 × 8,471,326.53 - Step 4: Simplify right side
26,913,990.45x = 341,993,763,916,784.25 - Step 5: Solve for x
x = 341,993,763,916,784.25/26,913,990.45 - Step 6: Final answer
x = 12,706,914.07
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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.