Finding the Fourth Proportional to 8,248,829.40, 12,373,244.10 and 7,381,027.80
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Solution
The fourth proportional to 8,248,829.40, 12,373,244.10 and 7,381,027.80 is: 11,071,541.70
Step by Step Solution
- Step 1: Write the proportion equation
8,248,829.40 : 12,373,244.10 = 7,381,027.80 : x - Step 2: Convert to fraction form
8,248,829.40/12,373,244.10 = 7,381,027.80/x - Step 3: Cross multiply
8,248,829.40x = 12,373,244.10 × 7,381,027.80 - Step 4: Simplify right side
8,248,829.40x = 91,327,258,678,285.97 - Step 5: Solve for x
x = 91,327,258,678,285.97/8,248,829.40 - Step 6: Final answer
x = 11,071,541.70
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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.