Finding the Fourth Proportional to 21,259,901.44, 31,912,296.96 and 9,911,296
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Solution
The fourth proportional to 21,259,901.44, 31,912,296.96 and 9,911,296 is: 14,877,407.69
Step by Step Solution
- Step 1: Write the proportion equation
21,259,901.44 : 31,912,296.96 = 9,911,296 : x - Step 2: Convert to fraction form
21,259,901.44/31,912,296.96 = 9,911,296/x - Step 3: Cross multiply
21,259,901.44x = 31,912,296.96 × 9,911,296 - Step 4: Simplify right side
21,259,901.44x = 316,292,221,210,460.19 - Step 5: Solve for x
x = 316,292,221,210,460.19/21,259,901.44 - Step 6: Final answer
x = 14,877,407.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.