Finding the Fourth Proportional to 7,135,911, 9,847,562.24 and 3,872,724.95
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Solution
The fourth proportional to 7,135,911, 9,847,562.24 and 3,872,724.95 is: 5,344,363.18
Step by Step Solution
- Step 1: Write the proportion equation
7,135,911 : 9,847,562.24 = 3,872,724.95 : x - Step 2: Convert to fraction form
7,135,911/9,847,562.24 = 3,872,724.95/x - Step 3: Cross multiply
7,135,911x = 9,847,562.24 × 3,872,724.95 - Step 4: Simplify right side
7,135,911x = 38,136,900,017,826.61 - Step 5: Solve for x
x = 38,136,900,017,826.61/7,135,911 - Step 6: Final answer
x = 5,344,363.18
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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.