Finding the Fourth Proportional to 19,950,959.44, 27,532,629.61 and 11,689,044.80
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Solution
The fourth proportional to 19,950,959.44, 27,532,629.61 and 11,689,044.80 is: 16,131,060.85
Step by Step Solution
- Step 1: Write the proportion equation
19,950,959.44 : 27,532,629.61 = 11,689,044.80 : x - Step 2: Convert to fraction form
19,950,959.44/27,532,629.61 = 11,689,044.80/x - Step 3: Cross multiply
19,950,959.44x = 27,532,629.61 × 11,689,044.80 - Step 4: Simplify right side
19,950,959.44x = 321,830,140,806,210.81 - Step 5: Solve for x
x = 321,830,140,806,210.81/19,950,959.44 - Step 6: Final answer
x = 16,131,060.85
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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.