Finding the Fourth Proportional to 15,951,649.13, 22,013,163.82 and 8,708,305.13
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Solution
The fourth proportional to 15,951,649.13, 22,013,163.82 and 8,708,305.13 is: 12,017,399.95
Step by Step Solution
- Step 1: Write the proportion equation
15,951,649.13 : 22,013,163.82 = 8,708,305.13 : x - Step 2: Convert to fraction form
15,951,649.13/22,013,163.82 = 8,708,305.13/x - Step 3: Cross multiply
15,951,649.13x = 22,013,163.82 × 8,708,305.13 - Step 4: Simplify right side
15,951,649.13x = 191,697,347,421,236.41 - Step 5: Solve for x
x = 191,697,347,421,236.41/15,951,649.13 - Step 6: Final answer
x = 12,017,399.95
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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.