Finding the Fourth Proportional to 7,913,391.08, 11,863,885.67 and 3,124,664.80
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Solution
The fourth proportional to 7,913,391.08, 11,863,885.67 and 3,124,664.80 is: 4,684,548.70
Step by Step Solution
- Step 1: Write the proportion equation
7,913,391.08 : 11,863,885.67 = 3,124,664.80 : x - Step 2: Convert to fraction form
7,913,391.08/11,863,885.67 = 3,124,664.80/x - Step 3: Cross multiply
7,913,391.08x = 11,863,885.67 × 3,124,664.80 - Step 4: Simplify right side
7,913,391.08x = 37,070,665,869,330.66 - Step 5: Solve for x
x = 37,070,665,869,330.66/7,913,391.08 - Step 6: Final answer
x = 4,684,548.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.