Finding the Fourth Proportional to 9,921,267.40, 14,874,331.64 and 4,526,144.80
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Solution
The fourth proportional to 9,921,267.40, 14,874,331.64 and 4,526,144.80 is: 6,785,763.96
Step by Step Solution
- Step 1: Write the proportion equation
9,921,267.40 : 14,874,331.64 = 4,526,144.80 : x - Step 2: Convert to fraction form
9,921,267.40/14,874,331.64 = 4,526,144.80/x - Step 3: Cross multiply
9,921,267.40x = 14,874,331.64 × 4,526,144.80 - Step 4: Simplify right side
9,921,267.40x = 67,323,378,805,861.47 - Step 5: Solve for x
x = 67,323,378,805,861.47/9,921,267.40 - Step 6: Final answer
x = 6,785,763.96
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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.