Finding the Fourth Proportional to 7,118,487.36, 9,823,692.15 and 4,366,692.18
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Solution
The fourth proportional to 7,118,487.36, 9,823,692.15 and 4,366,692.18 is: 6,026,145.38
Step by Step Solution
- Step 1: Write the proportion equation
7,118,487.36 : 9,823,692.15 = 4,366,692.18 : x - Step 2: Convert to fraction form
7,118,487.36/9,823,692.15 = 4,366,692.18/x - Step 3: Cross multiply
7,118,487.36x = 9,823,692.15 × 4,366,692.18 - Step 4: Simplify right side
7,118,487.36x = 42,897,039,690,132.38 - Step 5: Solve for x
x = 42,897,039,690,132.38/7,118,487.36 - Step 6: Final answer
x = 6,026,145.38
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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.