Finding the Fourth Proportional to 18,985,131.26, 26,199,482.00 and 10,283,303.87
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Solution
The fourth proportional to 18,985,131.26, 26,199,482.00 and 10,283,303.87 is: 14,190,959.80
Step by Step Solution
- Step 1: Write the proportion equation
18,985,131.26 : 26,199,482.00 = 10,283,303.87 : x - Step 2: Convert to fraction form
18,985,131.26/26,199,482.00 = 10,283,303.87/x - Step 3: Cross multiply
18,985,131.26x = 26,199,482.00 × 10,283,303.87 - Step 4: Simplify right side
18,985,131.26x = 269,417,234,460,181.44 - Step 5: Solve for x
x = 269,417,234,460,181.44/18,985,131.26 - Step 6: Final answer
x = 14,190,959.80
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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.