Finding the Fourth Proportional to 26,385,697.77, 39,583,518.84 and 9,995,891.49
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Solution
The fourth proportional to 26,385,697.77, 39,583,518.84 and 9,995,891.49 is: 14,995,720.89
Step by Step Solution
- Step 1: Write the proportion equation
26,385,697.77 : 39,583,518.84 = 9,995,891.49 : x - Step 2: Convert to fraction form
26,385,697.77/39,583,518.84 = 9,995,891.49/x - Step 3: Cross multiply
26,385,697.77x = 39,583,518.84 × 9,995,891.49 - Step 4: Simplify right side
26,385,697.77x = 395,672,559,117,010.69 - Step 5: Solve for x
x = 395,672,559,117,010.69/26,385,697.77 - Step 6: Final answer
x = 14,995,720.89
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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.