Finding the Fourth Proportional to 16,381,807.83, 22,607,375.25 and 8,939,950.34
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Solution
The fourth proportional to 16,381,807.83, 22,607,375.25 and 8,939,950.34 is: 12,337,393.65
Step by Step Solution
- Step 1: Write the proportion equation
16,381,807.83 : 22,607,375.25 = 8,939,950.34 : x - Step 2: Convert to fraction form
16,381,807.83/22,607,375.25 = 8,939,950.34/x - Step 3: Cross multiply
16,381,807.83x = 22,607,375.25 × 8,939,950.34 - Step 4: Simplify right side
16,381,807.83x = 202,108,811,939,708.22 - Step 5: Solve for x
x = 202,108,811,939,708.22/16,381,807.83 - Step 6: Final answer
x = 12,337,393.65
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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.