Finding the Fourth Proportional to 16,105,692.84, 22,225,856.24 and 8,862,348.84
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Solution
The fourth proportional to 16,105,692.84, 22,225,856.24 and 8,862,348.84 is: 12,230,041.47
Step by Step Solution
- Step 1: Write the proportion equation
16,105,692.84 : 22,225,856.24 = 8,862,348.84 : x - Step 2: Convert to fraction form
16,105,692.84/22,225,856.24 = 8,862,348.84/x - Step 3: Cross multiply
16,105,692.84x = 22,225,856.24 × 8,862,348.84 - Step 4: Simplify right side
16,105,692.84x = 196,973,291,266,570.75 - Step 5: Solve for x
x = 196,973,291,266,570.75/16,105,692.84 - Step 6: Final answer
x = 12,230,041.47
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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.