Finding the Fourth Proportional to 17,691,847.17, 24,415,534.67 and 9,957,390.45
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Solution
The fourth proportional to 17,691,847.17, 24,415,534.67 and 9,957,390.45 is: 13,741,640.96
Step by Step Solution
- Step 1: Write the proportion equation
17,691,847.17 : 24,415,534.67 = 9,957,390.45 : x - Step 2: Convert to fraction form
17,691,847.17/24,415,534.67 = 9,957,390.45/x - Step 3: Cross multiply
17,691,847.17x = 24,415,534.67 × 9,957,390.45 - Step 4: Simplify right side
17,691,847.17x = 243,115,011,754,701.91 - Step 5: Solve for x
x = 243,115,011,754,701.91/17,691,847.17 - Step 6: Final answer
x = 13,741,640.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.