Finding the Fourth Proportional to 7,637,134.36, 10,539,623.75 and 4,737,459.50
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Solution
The fourth proportional to 7,637,134.36, 10,539,623.75 and 4,737,459.50 is: 6,537,928.80
Step by Step Solution
- Step 1: Write the proportion equation
7,637,134.36 : 10,539,623.75 = 4,737,459.50 : x - Step 2: Convert to fraction form
7,637,134.36/10,539,623.75 = 4,737,459.50/x - Step 3: Cross multiply
7,637,134.36x = 10,539,623.75 × 4,737,459.50 - Step 4: Simplify right side
7,637,134.36x = 49,931,040,660,863.12 - Step 5: Solve for x
x = 49,931,040,660,863.12/7,637,134.36 - Step 6: Final answer
x = 6,537,928.80
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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.