Finding the Fourth Proportional to 26,399,658.24, 36,363,381.84 and 18,651,250.08
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Solution
The fourth proportional to 26,399,658.24, 36,363,381.84 and 18,651,250.08 is: 25,690,579.87
Step by Step Solution
- Step 1: Write the proportion equation
26,399,658.24 : 36,363,381.84 = 18,651,250.08 : x - Step 2: Convert to fraction form
26,399,658.24/36,363,381.84 = 18,651,250.08/x - Step 3: Cross multiply
26,399,658.24x = 36,363,381.84 × 18,651,250.08 - Step 4: Simplify right side
26,399,658.24x = 678,222,528,452,370.50 - Step 5: Solve for x
x = 678,222,528,452,370.50/26,399,658.24 - Step 6: Final answer
x = 25,690,579.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.