Finding the Fourth Proportional to 16,391,800.18, 22,599,655.41 and 13,440,744.82
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Solution
The fourth proportional to 16,391,800.18, 22,599,655.41 and 13,440,744.82 is: 18,530,984.89
Step by Step Solution
- Step 1: Write the proportion equation
16,391,800.18 : 22,599,655.41 = 13,440,744.82 : x - Step 2: Convert to fraction form
16,391,800.18/22,599,655.41 = 13,440,744.82/x - Step 3: Cross multiply
16,391,800.18x = 22,599,655.41 × 13,440,744.82 - Step 4: Simplify right side
16,391,800.18x = 303,756,201,385,742.50 - Step 5: Solve for x
x = 303,756,201,385,742.50/16,391,800.18 - Step 6: Final answer
x = 18,530,984.89
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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.