Finding the Fourth Proportional to 9,373,421.58, 12,934,711.56 and 5,242,737.09
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Solution
The fourth proportional to 9,373,421.58, 12,934,711.56 and 5,242,737.09 is: 7,234,635.88
Step by Step Solution
- Step 1: Write the proportion equation
9,373,421.58 : 12,934,711.56 = 5,242,737.09 : x - Step 2: Convert to fraction form
9,373,421.58/12,934,711.56 = 5,242,737.09/x - Step 3: Cross multiply
9,373,421.58x = 12,934,711.56 × 5,242,737.09 - Step 4: Simplify right side
9,373,421.58x = 67,813,292,044,063.76 - Step 5: Solve for x
x = 67,813,292,044,063.76/9,373,421.58 - Step 6: Final answer
x = 7,234,635.88
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1.5x scale
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.